Before walking on the moon, future astronauts may go for a swim. The famed Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center in Houston has trained hundreds of spacewalkers since 1992 ...
I swallowed down desperate gulps of air from my snorkel. Pool water, too. My lungs burned. The water sloshed around me in waves, churning so much it looked like a boiling sea, the phenomenon natural ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback