With several hundred blows of a 10-pound (4.5-kilogram) sledgehammer, researchers tested a method to find subsurface caves that could serve as safe underground habitats and research facilities on the Moon and Mars. The team, which includes NASA scientists, conducted their field experiments near Flagstaff, Arizona, and Tulelake, California, in locations that resemble the landscapes future […]
Hammering Out a Way to Find Shelter on the Moon and Mars
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