I want to ask what kind of materials we can use and on what basis? Sure, Professor Jitain Prajapati will answer that question.  What we found during one of your projects at IIT was the same material may be very good in one climate, but in another climate it may not work as efficiently. Also it depends on the type of building that you are doing. Suppose it is an air conditioned building then insulation or a material having better insulation will work, but the same material if it were used in a non-air conditioned building then it will not work that well. Another building material will work better in that case. So depending on the type of building depending on the type of climate one has to choose their materials. Have you understood? So like for hot and dry climate what kind of materials? Hot and dry climate you will look at materials which are not too thin you know which will transmit the heat very quickly into the room isn't it? So you are looking at at least a brick wall of about 9 inches or concrete of about 6 inches. You have some material in mind which you need to discuss or you need to ask or it is just a general question. Can I add something? So as you saw in Professor Nayak's lecture regarding the time lag aspect so in a hot and dry climate what you would want is that the heat of the afternoon sun is not transmitted inside the spaces in the daytime but because in hot and dry climate it gets colder in the night you would want that heat little bit in the night time. So the material property of time lag will help in doing this where there is a difference in the temperatures of the daytime and the night times. So if you think about a lot of these buildings the historic buildings that are made of sand stone where if you go inside the buildings you feel very cool even in the afternoon times. So those kinds of materials would be helpful in the hot and dry climate. Professor Nayak you want to add something? Hello have you seen the traditional architecture in Rajasthan? They use thick walls stone walls that is precise the reason why they use stone thick walls and my colleagues have answered the logic of using stone thick walls. One more question how to develop microclimate if the space is restricted? There is no general solution it is a case to case basis you have to see what best can be done under a given set of conditions. Microclimate is really you have to understand the context if there are buildings around you then how the wind flow happens if there are trees around you where are the where the shade of those trees fall and based on that you have to sort of locate your windows locate your buildings and how the sun is falling on the site. So it really depends on the context if it is a smaller site which is surrounded by buildings you have to consider the shade and shadow analysis. So in those regards if you go up the context and use some of the energy modeling tools that Professor Prajapati and Nayak talked about that will help you to consider various design options. I just want to add you can modify the microclimate using vegetation appropriately using water around the building appropriately. Hello. 1175 Truba College please go ahead your question. I want to ask that gypsum we are using in the interior walls in Bombay and Delhi. So it is a part of is it a part in green buildings? See you have to understand the again one has to understand the context okay gypsum is easy to use isn't it and that's why people are using it nowadays earlier people used to do what instead of gypsum they used to do plaster isn't it cement motor you know on top of that they would use lime tuna you know niru plastered it was called. So nowadays people are not available who do a good job in that material. So in terms of you know getting good quality people have switched over to gypsum plaster okay in terms of green building we have not analyzed it in that manner yet. Monica do you know whether gypsum plaster is a green material? If there is like recycled content that is used in making the gypsum plaster then it could be considered green but again this is a relative term where you will have to consider what all options are available for those interior walls and then choose the material that has sort of the least embodied energy and the best durability and also the material properties that professor Nayak talked about in terms of the specific heat and insulation properties and things like that. So there are multiple variables that you will have to consider to call that material green. So it's not a straight forward answer professor Anand Achari would like to add something to this. I'll just add to your question regarding gypsum gypsum there are two types of gypsums which is available. There is a natural gypsum which is a stone query from your remote from a stone query and gypsum is also procured from an waste product from an urea chemical fertilizers factory. So today what is gypsum available you need to see where is that gypsum being used in the product. So suppose if you are using in a Rajasthan there would be gypsum which might be procured from a natural query or if it is suppose in South India probably there is no gypsum query which is available it's a phosphate calcium phosphate as a product which is there. So there are many companies which is urea companies which are coming up like in Bombay we have RCF factory rastria chemical fertilizers where the gypsum becomes a byproduct and as a waste product for them. If probably there is companies like which are using this product for developing their ready made blocks or ready made slabs or even for plastering probably yes then you would be as professor Monika Jain said if it has a recycle content. So probably this is 100% post industrial waste rather than becoming a purely natural available material which is a resource intensive. So probably that would answer your question about how gypsum can be diverted towards rather than from using natural to recycle waste. Thank you. Thank you. Thank you sir. One two four one NRI institute. I have a question on using the ash bricks over whole brick is it really advantages to move from whole bricks or chimney bricks to ash brick in terms of reduction of heat absorability of the water and plaster stickiness and does there is there any real cost advantage apart from the environmental advantage. So this is a larger question so I need a detailed answer. I don't think I have the expertise to answer that question. Maybe I can answer it from an architect's perspective. We've looked at fly ash blocks we've looked at bricks also we've worked in those materials bricks are of very poor quality now available at least in Mumbai. They are not dimensional they crumble easily the quality of bricks is really bad in comparison to that we found that fly ash bricks are more dimensionally stable they are of better quality and what happens is that if you have a better quality product they are also bigger in size. So what happened was that we used less labor we required less material to plaster the wall in fly ash bricks they are nice they are factory finished products. So you don't probably require plaster also you can directly paint also after giving a putty outside you need to plaster. So then in that sense it becomes a green product you know you are saving on material you are saving on labor it becomes cost effective and also it gives you a good finish. Your plaster thickness can be of uniform thickness in bricks we found that somewhere the plaster used to go up to one and a half inch thick somewhere it is half an inch thick okay and it's not the problem of the labor or the mason it was the material itself was so bad. In the in Bikan gau where we've used the bricks you know we've used unplastered bricks they are eight inch by four inch by four inch they are also really bad quality but we had to accept what is available and we've used it okay we were we actually wanted to do a red trap bond wall but we were not able to do because of the dimension of the brick but coming back to water of course if you don't plaster your material then you are saving a lot of water isn't it any other question regarding that the heat reduction is there a real heat reduction yes yes I forgot that they are almost the same almost the same so not much differentiates between the two products one question energy you reuse is being adopted extensively in the private sector bigger structures but in the government sector is not being extensively being adopted so if at all it is to be adopted which will save have the national economy which organizations taken care of if I have understood your question you want to say that energy efficiency in buildings not used in general is that the question in the government sector yeah the ministry who are responsible for this are Ministry of new and renewable energy and Ministry of urban development and you can talk to Bureau of energy efficiency and for materials it is BMTPC 1 to 9 6 good morning professor yeah so what is the role of these fins which he has used as a vertical shading devices the role of fins they are used as shading devices that means they cut the sun's solar radiation from a particular direction depending on the wall where is it facing so what you saw was actually the east wall so you know that the sun is at a low angle and you cannot use chadjas there you know horizontal but shading devices are not as effective as vertical shading devices on that particular orientation okay it helps to cut the solar radiation thank you 1178 so I'm also this I finally a student from SNP IT that's umrakh near surat so my question is related to professor Naya's PPD that if we adapt new materials we change our materials on basis of the simulation on basis of the data feeds like specific heat and thermal conductivity can it be proven an economical aspect can it be economical to modify our needs on basis of simulations there are softwares who provide you also building cost etc so one has to incorporate cost calculation along with the thermal calculations then you will get it okay and sir we have seen an example of cities like the Mazdar built in Abu Dhabi the whole city is planned with perspective of green architecture and sustainability issues so is can any such initiative to be possible in Indian scenario why don't you take the lead it can be in principle it can be done in principle it can be done somebody has to take the initiative to do that we have we have thank you very much yeah 1 3 0 2 I have seen up from Shri Vidya College of Engineering good morning is there any importance for the plan or shape of a building to be considered after green building plan or shape of the building yes you can there is a lot of importance in fact in that school which you saw we all the longer sides of the building they face towards north and south okay the main walls were facing towards north and south why because it is easier to shade those walls rather than the east and west so you need smaller chajas the projections that come out from the from the wall need to be smaller so the control is better thank you 1 1 9 2 so is concrete is a green material all materials are green all it's only it's only the you know when you compare it to another material you might get a better material so basically if you consider even buildings now all buildings are sustainable but only some perform better than others okay so it's all a relative question by itself concrete is a green material okay but if you compare it to say fly ash concrete block then fly ash is better because it uses recycled content it is lighter also so transportation is easy hello sir I have one more question as we know that US United States have seven times more in your energy consumption than ours to maintain their good quality of life so how is it possible or how it is easy for us to have a sustainable energy use planning for a building where in a country like India the basic need of shelter is difficult to fulfill okay you saw the school building that we did in Bikanjau so what you can do is you can like professor naiak said you can harness the forces of nature so that you don't require or you require minimum auxiliary energy okay in that school we do not use any fans and tube lights in the classrooms okay the comfort is mainly by ventilation and it's because of the passive solar design okay so it is on us as designers to design a building which will not require energy isn't it or even resources we can manage our resources better so what we did was because the requirement of energy was so less then we could afford to go in for photovoltaic solar for the offices part of it let me just add a little more to it if you remember the human development index chart US was way above in terms of energy consumption but if you look at Hong Kong which has a similar quality of life as the US but it has much lesser energy consumption per capita so there is a possibility of attaining a good quality of life by having lower consumption the point is to have comfortable living by providing temperature and environmental variables that are comfortable for human being by adopting passive means and reducing the artificial energy that we use 1 double to 8 good morning this is Remy from like Genaic yeah my question is whether can we regulate the internal side of green building so that we can get the same comfort that is available in a normal air-conditioned room do you mean that can passive solar be as comfortable as air-conditioned room is it is that your question no it can never be because here you are maintaining in air-conditioned buildings you are maintaining at a constant temperature within a very narrow range isn't it in passive it depends on the external climatic conditions so the range varies and people have to start adapting also their lifestyle to the climate and the design okay so people become more active in passive design buildings I want to add one thing here you know you have artificial source of energy you are controlling the control is much efficient in air-conditioned building but that doesn't mean that passive buildings are totally uncontrolled a fair degree of control can be made by appropriately designing the building so should not have the impression that passive buildings are totally uncontrolled but yes the degree of control that one gets in an air-conditioned building will not be available in a passive building one has to find out whether that control is required at all for a given requirement if it is required then you have to probably go to air-conditioned building and just adding one more thing that there are technologies available that can actually be a combination of passive architecture and incorporate some some controls so like the heat recovery system and things like that so there are technologies available that can be a combination of both I got another question and does the location is a real that the location of the building is a real factor in rebuilding the quality I think we have already answered that question so can we move on to the next center it's the context specific architecture we've talked about I think multiple times good morning ma'am I want to ask that while doing the thermal analysis in desert areas how will you consider the climate change because it is dry in hot like it is hot in days and cold in nights so how will you do exactly what type of materials you use send your questions on chat also and I think this question has been answered partially initially but professor Nyak will take it up the climate save such a huge variation in divernal temperature what you said daytime's are pretty hot nights are pretty cool so one has to add use this benefit I mean use this facility for the benefit of the building that means during nighttime allow the ambient air to come in store that coolness in your building hazards use that coolness for that I am comfortable so there are designs which are possible create induced ventilation in the night use materials which have low emissivity so that store the coolness in the building I would advise you to look at some references which my colleague jitain sold in his presentation you will find answers to your question one two five six good morning how can the way water recycling can be done if a building is constructed in the middle of the city see even in the city you have some trees and plantations so you can use the grey water for irrigation okay after a little bit of filtration and you could also use the grey water by a little bit of a filtration in the flushing systems in the toilets so there are ways where you can and as I yeah and as I showed you that you can plant on your rooftops in urban scenario or you can have plants and vegetables in your yard so you can use that water for irrigation purposes in the buildings as well in city areas also 123 I have a doubt on that psychometric concept of what do we consider in that psychometric point of the green building design psychometric analysis it's a tool and what it is it is a software you can download it and check it up okay it does the analysis of the climate and it will also give you certain guidelines okay how to achieve more comfort okay using the psychometric chart we don't prepare it it's an inbuilt thing in the tool okay so please download that software climate consultant there was a point called micro's climatic and psychometric analysis so what would be the output of the psychometric analysis where it deals with you get certain guidelines to do passive solar architecture okay it helps you to define those what can you do now do you require evaporative cooling do you require shading do you require ventilation so it will list down the efficacy of each technique that can be applied psychometric and microclimate they are different altogether psychometric chart is a chart of a chart showing air properties so you will have plot of temperature humidity ratio relative humidity etc in that chart you superimpose your comfort requirements you will get a set of design guidelines as opposed to that microclimatic analysis is different around your building what is that you can create an environment that benefits you by setting by admitting daylight or not admitting daylight these are or creating a water pond so that your humidity increases temperature decreases so these are microclimate related studies thank you very much sir my question to you is you have talked much about the new buildings but what are the design considerations or else what are the considerations that are that will be given to the existing buildings sir because ours is a 30 years old organization so how can we convert our building into a green building okay you need to do the analysis first and then you will get the answers for that okay so you use the same approach that we had used and you'll still get the same results okay so it's called retrofitting a building okay but the process is the same you first have to analyze the climate you have to analyze the building requirements you have to analyze the function and the building envelope and then you will get certain feedback from your analysis on what to do what is the status of recycling of materials in building and road sectors with reference to research and development and actual usage at site see this question would be better put to you an organization like CBRI Central Building Research Institute or BMTPC building materials technology prouncil okay they do a lot of research and then maybe you'll get better answers to this questions thank you 1 to 6 0 I am professor Eswant Pawar from senior engineering college Punderpur my question is what is life of green building as compared to so-called non-green building located at same climatic condition it is the same durability is the first issue you look at in any building that to so-called non-green building located at same climatic condition the life is the same you cannot say that you can design a green building and say that its life is going to be less than a conventional building that is not how it is to be approached see because durability safety all those concerns are also an issue in architectural design so you must look at those also hello you have shown one picture where plastering is not done yeah okay but due to weathering effect is it not possible that there there will be disintegration of that external exposure surface yes but we have shaded the walls also and this is not in a place like Mumbai where there is lot of rainfall but in a dry climate so you need to you know you have to be aware where you are doing your work and what type of materials you are using now the same type of unplastered wall if you were to use in Kerala then you are you aware of Laurie Baker's buildings so he will have a huge veranda in front of that wall so that it never gets wet okay so you have to save your wall one two five seven hello good morning sir Dr. JK Nayak has told that we have some commercial software available for the simulation purpose sir I want to know about the open source of softwares available for the simulation purpose of thermal performance of the buildings yeah there are many open source so I will ask my colleague to give you a list of open source softwares open source means you want to change the source code or you just want free software only free software basically you want to use a free software yes then equest is very good and it uses DOE as the simulation engine there is energy plus also which is more advanced than supposed to be more advanced than equest you can download both of this from the internet they are freely available there is ESPR from Europe that is also very very good software all this software have been validated okay and you can use them that means they are the technology has been actually tested radiance for daylighting ma'am as you have said that under the green building evolution systems even a platinum certified building may have carbon emissions for transport that is in that site are you sure that they have not taken into account the any credit for the fossil fuels because under the site efficiency they have a credit for non fossil fueling facility for the vehicles so this was just taken as an example to illustrate the point that when you are thinking about green buildings it should be considered in the context in the larger context so if you are locating your building where there is no public transportation and everyone is using petrol driven cars then that reduces the effect of the greenness of that entire environment so definitely there is the site selection is one of the criteria in these evaluation systems so you have to go by all of these different criteria my question is that so do you mean that the platinum certified building is still not an ideal green building I don't want to point out specifically like that but I this was a thought provoking comment where I would like all of you guys to consider that just not going by the evaluation systems but considering the larger context a platinum there can be a platinum certified building in say Mumbai or New York where the building is accessible by public transportation whereas it could be in Los Angeles kind of situation where you are driving your car so those two although they are the same platinum certified buildings but they will have much different impact on the greenhouse gas emissions and the environmental system okay thank you ma'am okay yeah I have exhausted our 45 minutes so we'll take more questions in the next interactive sessions and we'll continue with the lectures now


Hello everyone, my name is Aurob Tiwari, I am PhD student at IIT Bombay. I am also course T of this work. In the previous lecture, you have studied about the various method through which you can store hydrogen in different phases. Also you have studied in the previous lecture, the various method of compression of hydrogen using different type of compressors. In this lecture, we will go in more detail by taking some of the examples, how the hydrogen will be compressed or how the volume of storage will change when the hydrogen will be stored in different phases. So in the first question, we have to calculate the volume required to store 1 kg of hydrogen. First the first question is that what amount of volume we require to store in gases form at normal temperature and pressure and when we pressurize it up to 352 bar to 700 bar. Then we will store, we will try to find out the volume when the hydrogen will be stored in liquid form at 20 Kelvin, then in the solid state at room temperature. Then we compare all these 3 cases of storage and finally we will comment on the hazard related issue when leakage occurs from liquid hydrogen storage tank. So we will start with the first. So the amount of hydrogen to store is 1 kg. We will start with the first case at NTP density of hydrogen gas is 0.089 kg per meter cube. So at NTP the volume required to store 1 kg of hydrogen is which gives us 1 by 0.08 9 around 11.24 meter cube which will convert into litre gives us 11240 litre. This is the first case. When you pressurize this hydrogen up to a pressure of 350 bar at 350 bar the density of hydrogen gas will change and it will change up to 23.65 kg per meter cube. Now if we calculate volume from this, this comes out because when you pressurize the gas the amount of volume required will be less. So now the volume comes out to be 0.042 meter cube which is around 42.28 litre to be exact. After that we will see at 700 bar the density of hydrogen gas is around 40.2 kg per meter cube which will gives the volume to be 1 by 40.2 which comes out to be 0.025 meter cube and in litre it is 25 litre. So from here we have seen that when the pressure is increasing from NTP to 350 bar up to 750 bar the volume to store 1 kg of hydrogen will be at NTP is 11240 litre it is 11240 litre at 350 we have calculated as 42.28 litre and at 750 it is 25 litre. So as we increase the pressure we have seen that the volume requirement will continuously go on decreasing. So this is the, this is one of the method to store hydrogen. In the second question it is given that we have to store this 1 kg of hydrogen in liquid form. So in case B at liquid form liquid phase the density of liquid hydrogen is 70.8 kg per meter cube this will give us the volume required to store 1 kg of hydrogen as 1 by 70.8 which is 0.0148 meter cube which is around 14 litre. Now in the case C in the question C we see that at solid state storage density of hydrogen comes out to be 100 kg per meter cube which will give us the volume of around 0.01 meter cube which is around 10 litre. Now in the case D we have to compare all these type of storage system that in different phases. So we have from the first of the calculation we have seen that as when we want to store hydrogen in gases form the volume required is high as compared to the liquid phase and the solid state storage. Now if we can, if we just compare that the volume required in solid state to store 1 kg of hydrogen versus when we store the same amount of hydrogen in the liquid phase. So this comes out to be in solid state storage the volume required is 0.7 time of what is required in the liquid form. If we compare the another case if we compare that to store the same amount of energy at during the gas phase form the volume required and to store the same amount of energy in the liquid phase when you then we have seen that this comes out to be 802.85 this is a very big number. So if we want to store hydrogen gas if we store hydrogen in gas phase form then the volume required is 802 times of what we want in liquid phases in liquid phase. In the next part it is seen that what is the hazardous condition which will create when the hydrogen will be leaked in from the liquid phase. So this is from last answer we have seen that the volume required to store gases form is 802.85 times of Vl. So when they if we have a tank of tank in which the liquid hydrogen is stored and if there is some leakage from this portion. So hydrogen will be hydrogen will be liquefied at a temperature of around 20 Kelvin. So when there will be some leakage this will continuously go on the outer portion in the atmosphere and this will produce a cloud of liquid hydrogen in this portion. Then after forming a cloud at 20 Kelvin this will continuously go on evaporate because when it comes in the contact of atmosphere as temperature goes on increasing then there will be evaporation converted into gaseous hydrogen. If there is no ignition and there will be delayed conversion of liquid hydrogen into the gaseous hydrogen the volume occupied by this gaseous hydrogen is around 802 times. So what we have seen is if there is a tank in which the liquid hydrogen is present and there will be leakage of liquid hydrogen so there will be initially the cloud of liquid hydrogen then it will start expanding which is known as the expansion ratio and it will expand up to a point of 802.85. This times the expansion of volume is 803 times as compared to what is seen when it converted into the gaseous forms. So this will prove that the how much the hazardous is the gaseous hydrogen when the liquid hydrogen is converted into gaseous phase. In the next question after seeing that what the volume is required to store a certain amount of hydrogen it is also sometime important to compress hydrogen up to a higher pressure so that there will be requirement of less volume in it. So the compression of hydrogen is also a very important topic that is covered in the last lecture by Professor Pratibha Sharma. So for doing a small calculation how the compression is being done the question is we have to calculate the work done to compress 1 kg of hydrogen from 1 bar to 16 bar at standard temperature and pressure by assuming hydrogen as an ideal gas. If this compression after that if this compression we will done in 2 stage compression that is initially we will go from 1 bar to 9 bar and then from 9 bar to 16 bar then we have to calculate the work done in this case also and then we compare the what which one is which way is better to compress hydrogen up to this bar. So initially it is given that for the for single stage compression for single stage P 1 is given as 1 bar and P 2 is given as 16 bar we have to compress it isentropically. So the work required to compress hydrogen isentropically is given by gamma by gamma minus 1 R T 1. This is how the isentropically work will be for isentropically compression of hydrogen will be described as the work done. So the value of gamma is 1.4 because it is a diatomic gas. So if we put this value as 1.4 by 0.4 into 8.314 this is kilo joule per kilogram Kelvin multiplied by if it is an atmospheric temperature then 25 degree taken as 298 Kelvin P 2 is given as 16 bar and this one is 1 bar calculating it as 0.4 by 1.4 minus 1. If we if we just if we if we solve this values we have found that this is this is what we have seen from single stage compression for 2 stage compression isentropic work will be given by gamma by gamma minus 1 R T 1 P 2 by P 1 gamma minus 1 gamma minus 1 plus gamma by gamma minus 1 R T 1 P 2 by P 1 gamma minus 1 by gamma minus 1. Here this one is P 3 by P 2. So initially we have to compress it from 1 bar to 9 bar and then from 9 bar to 16 bar. So in this case P 1 is equal to 1 bar P 2 is equal to 9 bar and P 3 is given by 16 bar. So now any now after that we have to put the value of these it is 1.4 by 0.4. Similarly the R value is 8.314 T is 298 P 2 initially the P 2 is we have to compress it from 1 bar to 9 bar. So P 2 is 9 gamma minus 1 is 0.4 1.4 minus 1. After compressing it from 1 bar to 9 bar we have to compress it from 9 bar to 16 bar. So this is given by 1.4 298 16 by 9 0.4 1.4 minus 1. When we solve this equation this W isentropic comes out to be 9122.420 kilojoule. This is the single when the compression will be done by single stage this is the amount of work done. When we have to done for the two stage compression this is the work done that is being required. So for one stage compression W isentropic is given by 10476.72 kilojoule and for two stage compression W isentropic is given by 9122.42 kilojoule. If we from here to see that if we want to compress hydrogen from 1 bar to 16 bar and if we will done into by using the two stage compression the amount of work done required is lesser in case of two stage compression as compared to the one single stage compression. If we see how much amount is this increment is there. So the percentage of less work in two stage compression it is nearly about 14 percent. So if we want to compress hydrogen from 1 bar to 16 bar there will be 14 percent less work we have to done in two stage compression as compared to the one single stage compression. The next question is also about the compression if the process is isothermal that there is no change in temperature. So what is the amount of work that need to be done to compress 1 kg of hydrogen isothermally at standard temperature and pressure such that the final volume will reduce to one fourth of the initial volume. We have to also find out the amount of heat evolve and change in internal energy. So here it is given that the such as the final volume reduces to one fourth of the initial volume. So if we see that the final volume is one by fourth of the initial volume. So the temperature at we are assuming at 298 Kelvin the value of R is around 8.314 kilo joule per kilogram Kelvin we want to compress 1 kg of hydrogen. So the isothermal work to compress this if hydrogen is assumed to be as ideal gas is given by RT ln V2 by V1. From here V1 is given by 4 V2 so if you put this value in it it comes out to be 8.314 into 298 into ln V2 by 4 V2. If you solve this equation we will get a value of now we have to find out the amount of heat evolve and the change in the internal energy also. This will be so from here we have found out we are able to find out the work required to compress hydrogen from when the final volume is one fourth of the initial volume. Now from the first law of thermodynamics DQ is given by Du plus Dw. Now it is given that the process is isothermal so the change in internal energy comes out to be 0. So from here is given by Dw. Now the work done is this, this is the amount of energy that is being evolved when the hydrogen will be compressed from 1 by 4 to the initial volume of the final volume. So this is the method of compression of hydrogen from by different methods which is isentropically and isothermally also. We have also seen that how the how the value how the storage volume is changing when the hydrogen is stored in the different phases like in liquid phase in solid phase and in the gases phase. We have also seen that there will be a problem when the hydrogen will when the there will be leakage in the liquid hydrogen tank and the there will be expansion of expansion of volume when the liquid hydrogen is converted to gases hydrogen by 803 times which is very hazardous in our case. Thank you.


This is good, mom. I know that was super cringy, I'm sorry. I'm just super hyped right now. I stole Mariah's chair because today I do not care about Mariah's feelings. Okay, that actually sounded like super bad.  Dude, that just sounds so creepy. This video just sounds so creepy. Like, her mom actually doesn't like me, okay? I want you guys to know. Mariah's mom does not like me in that way, obviously. Be kind of weird if any mother liked their daughter's fiance, not even boyfriend, but fiance. But as you see by today's title, what I'm going to do to break it down is once Mariah gets back home later, I'm gonna basically be saying like, yo, I've been wanting to tell you this for a while. I don't know what's going on. But for the past couple of days, your mom's kind of been hinting at me. She's been a little weird with me. She's been calling me and texting me. She also has been saying to not let you know that she's been texting me. And then everything after that, I'm just gonna maybe break down and I'm gonna come up with it. I don't know word for word what I'm gonna say, but it's gonna be along the lines of, your mom thinks I'm cute and she kind of likes me and she thinks that you're not good for me, but she is, oh my God, this just sounds so weird. I'm sorry, this just sounds so weird. But we're gonna be getting Mariah's reaction to me telling her her mom wants to be more than friends. Technically, she'd be my mother-in-law. I'm literally getting married to Mariah, so technically, she'd be my mother-in-law. Oh no, wait, this is getting weird now, wait. She's not currently my mother-in-law, so it's okay. It's good, we're good until February and then once February comes along, we can't be doing these videos anymore, otherwise you just got a whole other level of weird. But anyways, Mover Squad, I hope you guys enjoyed this video. I'm gonna be basically just waiting for Mariah to get home. I don't know what time she's gonna be back because she is getting her laser hair done again, so I'm hoping within the hour. But sit back, relax, give this video a huge thumbs up and I wanna see you guys. Hashtag team built in the comments, she's been slacking, so I gotta pick up the pace because whenever Mariah slacks, she goes through a couple videos where she'll try pranking me over and over and over and I need to get ahead because I don't know what this girl has up her sleeve, but all I know is we are gonna go get her reaction and I'm hoping for a good one today because this is about as crazy as I feel like I can make a video saying her mom likes me. Okay, I don't even wanna say it anymore. I hope you guys enjoy. I'll see you in a little bit. All right, Mover Squad, Mariah just got home. She's about to come into the house, so I'm gonna try to lure her onto the couch because I have another camera set up over there. Hopefully everything goes. Yeah? Are they? Get y'all cleaned up? I'm tired. So you're tired? Oh yeah, you got up at like nine or the jam and then been nonstop since. I know. So this, we were up in Orlando. These are actually for Christmas, so. I was gonna say, yeah, they look like gingerbread. I forgot. These don't need to be on the couch. That's funny. Right? Huh? Can you put this away? Why? I think they're cute though. No, we're gonna wing these. So these are for Christmas, but we've had them for a month. I really just got them, hopefully. I guess we've had it up for a pretty good minute, so. I'll put them in a bag. Don't put them to sleep now. I'm not shying, dude. I know, you just got them. Do you want his big food? I'm really hungry. I'm hungry? Uh-huh. Hold on, are we going to grocery shopping? Did you want to go grocery shopping, right? What? You probably should go grocery shopping, right? I don't know. Low key. Can we just order food? Or when? For lunch or dinner. Whatever you want to do. Really? Yeah. Scar, hi. Hey, Scar, you're cute. You're cute. Love, this is Mommy. Come here. Come here. Let's go break the mommy. Oh, no, he likes me. Look at, he's growing his gray. He likes me better. He likes me better. Come here, Scar. He likes me better. Scar, no, come here. Yeah, you like dad better. Yeah. You already know he likes me better. Come here, Scar. Yeah, he's my dude. No, he's not a hide. All right, you get out. Huh? Are you going to have a scar? Is he watching while you shower? He wants me. He wants me. Oh. He wants me. He's so crazy. He wants me. And Snap likes me better, too. No, he doesn't. Snack. All right, call him that. Hi, B. Hey, Snap. Snap, get over here. Hi. No, not you, bro. See, he just, I don't know why. He might, maybe he likes messing with me.  Whee. Whee. That's just something I want to talk to you about. Not to change the subject and get all serious, but. What was this, serious? Yeah, just something I kind of want to talk to you about. That you might be a little weird and out about. Confused, but I promise you, I did not do anything. So it's nothing on me. I did what? I'm scared how you're going to react, bro, because this is like something that's like, what, like it's weird. It is weird and I agree. And I don't like anything about it. I'm just, I just been like confused the past couple of days. It's nothing between us, but it is a family matter. Okay, what? All right, so. Turn it off, please. The guitar, please. I don't know how to say it, bro. It's so weird. All right, listen.  She's been a little sus. Do you know, first of all, do you know anything about that? No. She just texted me like normal, like you know what it is, right? No. Okay, what's sus? Why are you being weird? Why are you being weird?  No, why would I, well, no? I just want to make sure you're not messing around. Like you swear to God you're not, you're not hanging me. I haven't really talked to her. I literally talked to her last night. Don't freak out.  It's so weird.  And I know I'm not her son-in-law yet. What are you, what are you going on about? She's been weird when she's been texting you. She's been like, like, I think I- I think you're just taking her wrong because there's no way. I know it's weird, but listen, your mom literally straight up said like, she thinks I'm handsome and stuff. Okay, what is that a bad thing? It's weird. She always tells me how handsome you are, but she loves you.  I really feel like she's been hitting on me and I- No, she's not, Bill. You're going kind of- Okay, are you, you're not in on it, right? I know for a fact she's not hitting on you. How do you know that? Because I know my mom and my mom is like, no. She called me today. This is why I want to talk to you because she, I was like, okay, blah, blah, whatever.  And I'm like, this is weird. I was, I made up some excuse because I didn't want to talk because I was like, this is weird. Like, I don't, like, I- Okay, spit it out because this is not solid enough. She just sounded like she wanted to talk and she wasn't saying anything like, like totally odd, but it was just like, why are you calling me to talk about nothing and you just wanted to hear my voice? Because you're about to meet her son-in-law and she wants to have, make sure we have that connection. Dude, I am not reading, I am not reading this. She literally called me cute and handsome and stuff. What's so bad about that? She's a lot of calling you handsome because you are handsome. Okay, since you're not getting in the hand, she told me, she thinks that you are like, the best fit for me. Okay. And that she is. No, you didn't. She said that today and that's why I'm finally talking to you about it because I thought it was weird. Okay, what did you say? Dude, you're not just here what I said, your mom literally said, I think I'm better for you than my daughter. I know it's weird. I don't, I don't, I just don't let you, because I'm cringed out for it. No, I'm cringed out. I know, I'm looking around to death and I know she liked me too, but. So if I called the right one out, do you think she'd admit me? I didn't know she likes, like. Do you think she'd admit me if I called the right one? Try it. Call your mom and see what she says. I'm gonna call her. Are you being for real? She actually called you and said.  I'm like getting goosebumps right now because it's like, that's weird, right? I don't even, anyone's mom, like, no, don't do that. And she did.  Do you like her like that? Heck no. No, no, no, no.  I did like her like a mother, but now I'm like, ew, like don't talk to me. Yeah, that's. It's your mom. You should have bitched her out. I was just like, I gotta go, bye. And I made up an excuse and hung up. Babe, I didn't know what to do. So has she been like texting you and stuff or is this just a first time you've been here? No, she was texting me like for a couple of days, it was like weird. And then she called me today and like explained all this stuff. And I was just like, oh, I gotta go, bye. So now she's like, I don't wanna talk to her anymore. So I just wanted to tell you that. Ew, Bill? You promise you're not right to me. Why would I be right? Call her. Call your mom and say do you like Bill.  Yeah, she's calling her. Yeah. I'm not trying to be weird in a while. All right, when did she call you? On her love break. What time is it? Like three or four? It's four. Yeah, she called me at like three. She's not answering. That's sus.  She didn't know. I told you, yes. And she probably knew I was gonna tell you that. It's weird, I know. And that's what I was saying.  It's like, ew. Ew. I know. She didn't answer.  Like why would I lie to you about something like that? I'm not being kind of annoyed. Like why didn't you tell me this sooner? Not really. I did, right now. She literally called me like an hour ago. But you said she's been texting you. You were out, yeah. But she was texting me like, like, susly.  And now that she called me and said that, I'm like, whoa, that's, that's red five. That's weird. No, that is f***ing weird. I know. What are you gonna do about it? I don't know. I'm gonna wait until she calls me back.  Yeller and scream at her and swear at her. That's messed up. Mom? Yes? Did you call Bill and confess your love for him? Did you, Mom? Yeah, did you call Bill? We'll know when you're calling me back. Okay. Okay. It's for a video, Mariah. Why would you make me call her like that? In an emergency, could you call twice? Yeah. Ew, Bill? Why would you even say that? Hang up, hang up.  Well, you confessed your love for him. I'm actually hearing him over me. Well, I was, I was gonna play along with it. I didn't know. Aw, maybe I shouldn't have come by any of your roll. Love you. You too, bye. Babe, I didn't think you were actually she was gonna answer after the second time. Right, you just made that so much weirder than it was. It's just a prank. It was just a prank, bro. What is with you? That was a weird nasty prank. Bro, she literally was like, did you just call Bill and confess your love for him? You should let it keep going. She would have.  She's not gonna, I didn't even talk to Mariah's mom at all today about this video. So like. She's probably like, what the? I should have let it roll. Guys, I should have let it roll because like I told you this is why I love Mariah's mom. She's OG. She's like my mom, she'll like play along and stuff and she'll like, she won't care. She'll be like, oh, it's probably a prank or something. So she'll be like, yeah, I love, you know, I didn't. Oh my God, I should have let it go. I would have been, that would have been, what? It's like me telling you that your dad confesses love for me. Okay, okay. We don't have to talk about that. No, no, no, that's too far. Just like you telling me. My mom does think you're handsome though because you are handsome, but she's not gonna. I mean, she, how can you not? Not that way. No, I ain't, look, I'm looking ratchet today. Look at this. My hair's all messed up and stuff. You're cute. Mom's gone. I hope you guys enjoyed this video. Make sure to give it a huge thumbs up. We got this girl, so good. I think we got her way better than the last video. This is definitely like a weirder one for me, but I'm glad I did it. And her mom's a good sport.  So I'm glad that we called her and now she knows for sure before she sees this video posted because I imagine that'd be weird. It'd be so weird. Are you kidding? Ew. Heck, no, that's why I draw the line. Yeah. Uh-uh. But Marvel Squad, thank you so much for watching this video. Before I end it, I just want you guys to know, we just ordered three- Woo! Series nine. Three Series nine Apple Watches. So the brand new Series nine, the newest Apple Watch you can get, we ordered three of them for hitting three million subscribers on YouTube. That is insane. Marvel Squad, thank you so much for all the continued support once again. And once these get delivered, they should be in this week, right? Yeah. So they're gonna be delivered this week. They're going to be announcing the giveaway winners. Like I said in the last video, if you did not see what you gotta do to enter the giveaway, all you have to do is be subscribed to our YouTube channel with all notifications on. Make sure to watch our videos and comment down below. Make sure you guys are following us on Instagram. That is the second biggest part. So half of it's YouTube, half of it's, make sure to follow us on Instagram. Because that- That's where we're gonna be where DMing you guys are. That's where we're gonna be DMing the winner. Yes. Oh my God, I can't wait. I can't wait.  I don't even have the new Apple Watch. I don't have the new Apple Watch. And I'm not even, I literally have like a series three or something. Yeah, I know. But the good thing about Apple Watch is they last a long time. Like I had the series three that came out like five years ago. No, for real. And it still works amazing. So y'all are gonna have the upgraded one, better than ours. But once again, thank you guys so much for watching this video. I really hope you enjoyed it. If you have any video suggestions, make sure to comment them down below. But if they're pranked, make sure to DM us separately on Instagram so we don't see them. But we will see you in the next video. But until then. Peace. Love you guys.


Item Number – SCP-060 Object Class – Keter Special Containment Procedures – The grove which contains SCP-060 is currently contained in a series of specially constructed greenhouses at Satellite Site 66-060. Specimens are to be pruned regularly to keep it a manageable size. Personnel are banned from smoking while within 5 km of Satellite Site 66-060. Personnel are to refrain from bringing lighters, matches, tasers, or any other tool readily capable of starting a fire into Satellite Site 66-060. SCP-060 specimens are to be watered twice daily and checked weekly for dead plant matter and saplings. Dead matter and saplings are to be pruned, shedded, and composted properly in the dedicated facility on site. Afterwards, return to SCP-060's containment chamber. Fragments of SCP-060 may not be moved off site for any reason without explicit written permission from two or more Level 4 personnel. In the event of a breach by SCP-060 Alpha, personnel are to enter lockdown mode and activate on-site fire suppression systems. Redundant on-site fire suppression systems have been installed throughout the site, including water and chemical retardants to be utilized in tandem in the event of a containment breach. Portable extinguishers are to be kept available at all times. Containment Chamber 060 Alpha 001 is a dedicated circular containment chamber designed to contain SCP-060 Alpha during testing. This chamber is constructed of concrete with a 2 m thick asbestos coating with a series of chimneys to allow for ventilation of heat during containment. The walls are fitted with 24 CO2 projectors, evenly spaced at 45 degree angles along the walls, and will activate in the presence of temperatures exceeding 200 degrees Celsius. One kilogram of SCP-060 material is to be kept within containment chamber 060 Alpha 001 to be burned in the event of a breach. Description SCP-060 is a grove of 17 white oak trees, Quercus Alba. The grove is spread across approximately 8 acres in rural northeastern Minnesota. A house on the property was demolished during the construction of satellite Site 66-060 after being combed by Foundation personnel for information regarding SCP-060. When burned, SCP-060 will produce an entity henceforth designated SCP-060 Alpha.  SCP-060 Alpha initially burns at a temperature of approximately 1500 degrees Celsius, or 2730 degrees Fahrenheit, and will attempt to cause as much damage as possible when active. Being as little as 20 grams of SCP-060 will cause SCP-060 Alpha to appear. Only one instance of SCP-060 Alpha will appear at any time. It is theorized that 060 Alpha is a unique entity.  It appears to be a single recurring entity, showing a growing familiarity with satellite Site 66-060's layout over the course of several manifestations. When given the opportunity, it will throw itself bodily at flammable materials in an effort to cause damage and assault personnel with a focus on grappling and strangulation. Additionally, it has proven capable of running at speeds of up to 80 kilometers an hour, or 50 miles per hour, in short bursts and leaping approximately 5 meters from a running start. Due to the extreme temperatures produced by 060 Alpha during the initial stages of manifestation, along with its physical capabilities, it is capable of causing large uncontrolled fires and widespread property damage if left unchecked. SCP-060 Alpha appears to intentionally avoid burning instances of SCP-060 when it becomes active. If SCP-060 Alpha is introduced to a high enough volume of water or other flame-retarded material over a short amount of time, it will begin to weaken to the point that it will collapse into dust. Collapse will occur suddenly, with little warning, SCP-060 Alpha will continue to pose a threat up until it's collapse. The volume of suppressive material required to subdue SCP-060 Alpha is markedly less than would be expected to quench a heat source of its intensity, with volumes of approximately 500 liters proving sufficient. As burned by SCP-060 Alpha will begin to yield sapling instances of SCP-060 over the following four to six weeks. Only one wave of sapling growth will follow any given containment breach. Said saplings are easily pulled, and should be composted and supplied to SCP-060's normal containment chambers. Additional Information The property containing SCP-060 contained a burned-out, secluded house upon Foundation acquisition. According to civilian sources, the house's previous owner was a Jonathan Courhill, who was reported to have been a somewhat solitary eccentric, with a tendency towards bitterness and nihilism. Mr. Courhill was reported as a missing person in late 1996, several months after having suddenly cut off all ties to family members and friends. The last person to have had contact with Jonathan Courhill was his brother Christopher, via a telephone call. According to his brother, Courhill had developed an interest in the study of Victorian-era occultism. Furthermore, he reported that Jonathan Courhill had seemed normal up until the phone call, at which point he told Christopher never to contact him again. Later in the year, a mail carrier visited the home to deliver a notice of foreclosure, finding it instead as a burned-out shell. Examination showed that the fire began in the living room with the general vicinity of the fireplace. It is now assumed that SCP-060-Alpha manifested within the house while Courhill burned SCP-060 in the fireplace. Considering SCP-060-Alpha's nature, why the house was not entirely destroyed during this alleged manifestation is as of yet unknown. No human remains were found within the structure. Jonathan Courhill's whereabouts and whether he is dead or alive are currently unknown. Lesson complete. If you missed the previous orientation, go watch SCP-059, Radioactive Mineral, right now. Or for the complete course, watch this playlist.


So how much does a Tesla Model 3 really cost? Well, I bought my Model 3 in July of 2019. It is currently December of 2019. So after about six, well, almost six months of ownership, it's the end of December right now. I want to talk about what I paid for it, what it actually costs to operate, and what some of the future costs of operating are gonna be. So first we'll start with the bill of sale here so I can tell you the exact price, not some sales gimmick, not some rebate, or whatever, the rebates are separate. These are the out-of-pocket costs of this vehicle. And with all the little fees and total government fees A through F, we came up with a total cost out-of-pocket, not financed or anything, just what you have to pay for the vehicle, $52,951. So that is the total cost to own this vehicle. Now, what vehicle is it exactly? And we'll jump through that real quick. So this is the Tesla Model 3 long range. This is what I have. Mine was black. The current default color is white. Whenever you change change from default, they do go up in price. So 322 mile range, 145 mile an hour top speed, 4.40 to 60 time. Go over here, select color. Like I said, white is default, black is an upsell. It wasn't an upsell when I got it, so mine came in black. I do like the black interior that I have here. I did skip the full self-driving capability, which is a few extra features and other $7,000. So I just have the standard autopilot. And that brings you right now to purchase price of $48,990 right here in December of 2019 with an estimated delivery of five to eight weeks. I did get my car a lot faster than that. And my understanding is generally they deliver them faster than the estimates.  I'm not gonna argue about that right now, but yes, our automotive lobby to stop Tesla from having dealerships here. Let's go to how I know the energy costs of this vehicle. What did it cost me to operate the last 10,000 miles in several months of ownership of this? Well, I bought a box called the juice box and it allows me to get all the stats I like. And we have this first stat we need is how much does DTE charge per kilowatt hour? Well, 0.069 when charging off peak. So you throw that number in here. And we can see like on December 19th, I spent $3.41 charging $1.17 there, $1.58 here, et cetera. And let's look at the last couple of months. So I got it towards the end of July and so I didn't spend much in electricity, but for August, we spent $32, $18 in September, 27 October, November was cold and you do spend a little bit more money heating, warming the car, therefore, even if I don't drive as many miles, you spend a little bit more charging it. But so for the month, I spent $44 and this far in December, $33. But those don't mean anything until you talk about it. How many miles I drove, so let's break that down. Now, I put a number in here for superchargers, but I didn't actually pay for them because I have a bunch of free supercharging miles with the car right now. But if I were to have paid for it, it would have cost me about $35 for superchargers when I do roadships. And when I charge it at the office here, $316 at my office since I've got the car. And that brings me to a total of $351. And $9,481 miles in December, and $9,481 miles. And if I were to calculate how much fuel it would have cost, such as coincidence, the gas cost would have been 9, 4, 8, 10. It means I saved about $600 based on a vehicle and this is where we got the fuel calculation from. This is a vehicle, trip distance, fuel efficiency, gas fuel price. That means that was what you would have spent. Now, I'm assuming because my old vehicle, my old vehicle actually, so let's do what my old vehicle got, which was 30 miles to the gallon. So if we were to compare it to my old vehicle, it would have been 790. So let's go ahead and throw that number in there, which my other vehicle is a little bit smaller. I don't think it was quite as roomy as my Model 3, but let's put that in there of 790. And I saved $438 just in 10,000 miles in fuel costs. So that gives you an idea of just how much it is to maintain the Tesla in terms of fuel versus gasoline. You're not just trading costs, it is a more efficient vehicle and it is cheaper to operate on electricity. Now, what about if I had a vehicle that got 65 miles to the gallon? You'd have to get that many miles to the gallon and I know there are certain cars out there that do get some really high mileage, those tiny little smart for two cars. They don't quite get 65, but if you had a vehicle that got that level of gas mileage, that's where you would have kind of a break-even point, but the average car does not get 65 miles per gallon. What about other maintenance costs? Well, I'm right from the car maintenance page from Tesla, there's not really everything besides a cabin filter every two years, and a brake fluid test in six years for service, that's really it. And why am I bringing all this up?  In 10,000 miles on your traditional gasoline engine or diesel vehicle, more expensive actually if you're diesel, you'd have gone through several oil changes to hit that 10,000 mile mark. Those oil changes roughly, depending on where you go, $50, $60 for oil change, I know there are some places that have discounts, but let's just stick that price in there. What about other filters? Well, you still have an air filter on a vehicle that I don't have, so you have to replace that as well. And then in the bigger arching, what about brakes? Yes, brakes, it does have traditional brakes in the Tesla, but they're rarely used because of regen braking. When you let off the accelerator panel, the energy goes back into the battery to slow down the car. It basically puts the motor in reverse and regenerates that energy versus the normal car, just clamps on the brakes and wastes that away as heat. You can do that at a Tesla. It does have traditional brakes in case there's any failure. So you aren't completely, you know, drive by wire here. You can press the brake pedal, but because you don't press them very often, they last roughly 200,000 miles versus a traditional car. You're gonna change several sets of brakes at quite the expense, unless you're doing them yourself, of course. It is expensive to do a brake job on a car, reasonably priced, but compared to a Tesla, which has it every 200,000 miles, you're saving quite a bit of money there. And there's really not anything else to maintain, but someone's gonna point out, but yeah, the big trade-off is that battery.  Batteries in Tesla, these Model 3, the chemical formula that makes that battery seem to be lasting about 350 to 500,000 miles. The cars haven't been around long enough to see a ton of stats, but people who have some really high mileage are reporting degradation of the battery being at roughly 5% at 200,000 miles. 5%, what that means is instead of going 320-something miles at 200,000 miles, my car will only probably get about 15 to 20 miles less of range. So at 200,000 miles, the car will still be as fast, it will still be as efficient, but it's going to lose about 5% of its range as in 15 miles less on a full charge. Not that much versus at about 200,000 miles, you're thinking about transmissions, you're thinking about engine overhauls. I know when I did have a lot of miles in some of my other cars, they lasted 250 without any real engine mechanical problems, but traditionally any gasoline engine car, at some point you start looking at those high mileage cars and go, it's time to trade it in versus a Tesla, you're looking at 250,000, 350,000 miles and going, okay, now it's lost maybe 10% of its range, so it's now 30 miles range at over 300,000 miles. And the battery is replaceable at a cost less than generally a rebuilt motor cost and there's no transmission, so you're kind of foregoing that cost. Now the motors themselves, there's a lot of people I've talked about and there's a lot of the Model S out there and I just seen one turn over a million miles on it. It's amazing how long some of the motors last on the Tesla. There's less moving parts, there's less to go wrong so they generally should last quite a long time in terms of plenty of life on the car. So we're gonna have to wait and see just how many miles you can last on a Tesla, but there's a good chance that electric cars overall will be on the road from the time of purchase a much longer time than a traditional gasoline vehicle. But I wanted to break down those costs, the energy costs and the cost of ownership of the vehicle. It does have a slightly higher initial price at $55,000 and maybe a similar small sedan that's gonna be offset though pretty quickly based on how much you drive over time, the fact that you're gonna save on oil changes, save on filter changes and electricity unless there's a dramatic increase in electricity or you'll save more if there's a dramatic increase in fuel. Fuel prices have been low but we did see some spikes several years ago if they spike up the cost savings actually get greater. I don't really see fuel costs going down way below the 250 a gallon that we pay here in Michigan. They've been pretty steady for a little while but obviously those variables are out there and something else to consider. But overall it is inexpensive on. I'm super happy with the car after 10,000 miles. I have no buyers remorse or regrets. And for those who may be wondering, yes, I couldn't resist. It did have an option to upgrade the speed. So 4.4 seconds is what you can buy the car at. They do have an upgrade to bring it down to about 3.9 seconds and yes, I did buy that upgrade. So it doesn't quite bring it to performance mode but it does add a little bit more speed. That was another update that did cost a few dollars but hey, that's something else I couldn't resist. I mean, I was enticed by it and the car already is pretty fast. The performance on it has been really good and why not tweak it a little bit more? It just puts a smile on my face every time we talk about it and thanks.


hey i wanted to tell you guys about this super interesting case that i just went on i don't know if you've ever heard of these like group living homes we were there because one of the tenants passed away from a fentanyl overdose we're seeing a big uptick in fentanyl the other tenants occupants are aware of it however everyone is just like going about their day which is crazy to me so i go in there and there's this like giant blood spot on the mattress so i'm like oh okay so this guy bled out a little bit he might have been there for a little bit so i don't really see any residue so maybe the police picked it up and this room is like i don't know i've never been to prison but it looks like it's barely bigger than a prison cell and this is the first time that i've had a case like this in like a communal type home