Does the fact that nobody has ever visited us from the future mean that time travel is undoubtedly impossible?
Can the absence of time traveler from the future visiting us conclude that time traveling does not exist?
Why can we not travel back in time? How do we time travel? How can we do time travel? Why is it impossible to travel back in time? Is it possible to travel time with real life? Is timetravel possible? Is it possible to make time machine and do time travel? How can I do time travel? What are some theories of time travel? How can I travel time? Is it physically possible to travel back in time? If any gone-by time was better and time’s traveling is possible then what are me doing living in the actual time? How does the concept of free will contradict the concept of time travel? Is it actually possible to travel through time? Why can't anyone travel back in time? Could aliens be our descendents travelling back into the time with the help of time travel? It is possible to travel by time? Is it possible to travel back or forward in time? Is it true we could only travel back in time in our own life span? What is meant by Time travel? What if the wrong kind of people get ahold if time travel technology? Does time have a direction? If you could time travel, would it be better to visit the past or the future? If you could time travel, where would you travel to and why? Is it truly possible that we can travel back in time? Are you sure that time is a dimension? Since we don't know for sure that we can travel in time or go back, maybe it's a false dimension? What is the most mind boggling example of a time travel paradox? Where does time come from? Can it be stopped? Is there such a thing as free will in the context of the universe and time travel? Will mankind ever travel back and forth through time?