1 00:00:00,000 --> 00:00:03,000 What percentage of water is recycled on space station?\h 2 00:00:03,516 --> 00:00:07,516 We recycle about 90% of all our water that’s on station.\h 3 00:00:08,556 --> 00:00:12,000 We also collect water from the breath and sweat of the astronauts. 4 00:00:12,621 --> 00:00:16,000 What systems recover the water and the urine in space? 5 00:00:16,689 --> 00:00:20,000 We have the urine processor and the water processor. 6 00:00:21,350 --> 00:00:23,053 How did you collect sweat to test the system? 7 00:00:23,253 --> 00:00:25,253 We have our very own exercise room. 8 00:00:26,179 --> 00:00:28,179 Who used the exercise room? 9 00:00:28,438 --> 00:00:31,800 We had Marshall volunteers who would come exercise for an hour. 10 00:00:32,869 --> 00:00:35,000 What kind of exercise did they do? 11 00:00:35,120 --> 00:00:39,000 We had them exercise on treadmills, bicycles and ellipticals.\h 12 00:00:39,559 --> 00:00:41,559 When they finished exercising, what then?\h 13 00:00:41,995 --> 00:00:45,000 They hung their clothes to dry, so the moisture would evaporate. 14 00:00:45,560 --> 00:00:46,671 So, what does it taste like?\h 15 00:00:46,871 --> 00:00:48,667 Like water.\h 16 00:00:48,867 --> 00:00:50,867 Where was the Urine Processor built? 17 00:00:51,180 --> 00:00:54,000 Right here at NASA Marshall, in Alabama. 18 00:00:54,813 --> 00:00:57,813 How will this technology benefit the journey to Mars? 19 00:00:58,114 --> 00:01:00,800 We can’t send people to Mars without life support systems.\h