We've all argued over the standard old time travel paradoxes, but here's a rule we can all abide by: If you're going to kill Hitler, do it early. Besides, who do you think's easier to bump off, a bunkered dictator or a failing art student? [xkcd]
Why Time Machines Should Only Be Operated By Historians
Trending Stories Right Now
Video. Has any character in film history had more costume changes than Robert Downey Jr’s Tony Stark? In Avengers. Infinity War, he debuts his Iron Man Mark L armour (which, if he stayed true to the Roman numerals, is the 50th version of the super suit) packed with advanced nanotechnology that visual effects studio Framestore helped make look tantalisingly real.
Keen for an existential crisis before the weekend? Don't worry, science has you covered. Thanks, science.