Effects of uv rays essay

Window tinting and sun protection - does darkening your windows make you safe from UV rays? Wednesday 12 December, by Melissa Recently I've learned there are many things one must consider when looking for a new car - before handing over cash for that new set of wheels. According to my "car enthusiast" boyfriend, one must look at the make, model, fuel efficiency, cost per kilometre to drive, and, most importantly, safety - does it have ABS brakes?

Effects of uv rays essay

Generally the author has to savagely pound a square peg into a round hole, with regrettable results. The classic horrible example is deep space fighter aircraft. Most pulp falls for the old Space Is An Ocean fallacy along with the related misconceptions.

Many pulp writers figured they were the first to have the bright idea of transplating the colorful legend of the dreaded Sargasso Sea into science fiction.

A deadly area of space that somehow traps spaceships who venture too close, only to join the deadly graveyard of lost ships. And not just human ships, a couple stories mention humans discovering wrecks of unknown alien spacecraft mixed in with the conventional ships.

The graveyard typically contains everything from recent ships all the way back to historical ships dating to the dawn of space flight.

Some stories populate the graveyard of dead ships with castaways. Who will probably be interested in looting your ship of any supplies it contains. The original legend dates back to when line-of-sight was limited to the horizon, so a sailing vessel poking at the edge of the sargasso could not see the interior.

Not without being caught, that is. With the invention of radar and the realization that there ain't no horizon in space, writers realized they'd have to make the space sargasso sea more invisible. Usually they'd add on the legend of the Bermuda Triangle in the form of an intermittent "hole in space" leading to a pocket universe.


Effects of uv rays essay

Obviously this is highly unlikely to happen in the real world. But it sure is romantic, in a sci-fi pulp fiction sort of way. Disabled spacecraft who drift into the point will be trapped, which is sort of true. The author does not explain why this is not true of the L4 and L5 points of every single planet in the solar system.

He calls the graveyard of lost ships the "wreck-pack", and the gravitational attraction of the wrecks keep ships from drifting out.

Effects of uv rays essay

The latter is a concept that was disproved by Michelson and Morley inbut most of the readers didn't know that. The ether-currents form sort of a one-way whirlpool which sucks hapless spacecraft into the graveyard of lost ships trapped in the eye of the storm.

Captain Future escapes by cannibalizing engine and atomic fuel from the other derelict ships, an idea that apparently didn't occur to any of the prior castaways.The preferential absorption of particular energy photons by materials, both organic and inorganic, is evident throughout the electromagnetic spectrum from microwaves through infrared and visible light, ultraviolet, x rays, and gamma rays.

Long and Short Essay on Causes of Global Warming in English Causes of Global Warming Essay 1 ( words) Global warming is the gradual warming of the earth surface because of the continuous increasing in the temperature of the atmosphere due to some natural and human made causes.

The Boeing Radiation Effects Laboratory is the largest private radiation test lab in aerospace, leading the industry in radiation simulation, testing, and qualification of materials and electronics. Answer to Write an informative essay explaining the different kinds of sacrifices people make, the value in making sacrifices, and how to determine when to make a sacrifice.

At Cancer Council we get asked a lot about whether or not people should get their windows tinted to protect from high levels of UV radiation, which can cause skin cancer. Researchers have studied the health effects of red wine extensively. Consuming one or two drinks per day may help to prevent certain cancers, improve mental health, and protect the heart.


Health Effects of Artificial Light