In Everything We Ever Knew About… Gravity, Jake Yapp has a lot of apples dropped on his head. He also reveals some fascinating facts about the ... between them ensued. 5. In 1907, Einstein ...

It’s a surprising admission from a man who’s experienced zero gravity more than 1,000 times in his role as a parabolic flight coordinator – where people can be weightless without leaving ...

Some horrifying scenarios had been predicted: One held that the heart would race uncontrollably in zero gravity, so that any foolhardy astronauts could expect a swift but merciful death.