(Featured image provided by cnn.com) For 20 continuous years, humans have been on the ISS (International Space Station). Many of the technologies to help make astronauts’ life easier has also made ours better. For example, LED lights were originally used to help astronauts with sleep deprivation, and now they’re used most of the time for decoration. Specific weight lifting systems for astronauts in zero gravity … Continue reading Water filter used for astronauts to come to the Earth market