World Of Technology
Interesting Technologies Around The World
NASA's Pool (23 pics)
NASA’s giant pool in the Neutral Buoyancy Laboratory (NBL) is used for spacemen training for spacewalks. It has 6.2 million gallons (23.5 million liters), is 202 feet (62 m) long, 101 feet (31 m) wide, and 40 feet (12 m) deep.