“Considering that other guys in the picture are also wearing shorts, I’m going to say that he’s not a time traveller.
“Other than Bill and Ted, what time travellers would think that a t-shirt and shorts would be the best thing to wear when time-travelling into the past anyway?”
In either scenario, physicists all agree that it is impossible to travel back in time by our current understanding of the universe and its laws.
According to Professor William Hiscock, of Montana State University, we can move forward due to the time-dilation effect of Special Relativity. Moving backwards, however, is a dead end.
