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Oxygen production in space

Simulation of oxygen and metal production on the moon. Courtesy of Helios

The Israeli Helios will produce oxygen and metals on the moon in a joint experiment with Japan

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Astronaut Clayton Anderson watches a drop of water and its reflection in the space shuttle Discovery. The cohesion of water in microgravity is different than on Earth. Photo: NASA

Save Mark Watney - the technology. Part 2: Water and Air

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