‘Freezing’ our bodies is the key to long-distance space travel — but can we do it?
Long-distance space travel, traveling at sub-light speeds, will require a way to make the journey with a crew of aging humans. While it’s possible to avoid some of that through time dilation (a quirk of physics that slows down time for anything that speeds up), humans wouldn’t save a large amount …
Christopher McKnight flipped this story into Idea•1537d