Space
Shuttle’s last spacewalker: ‘Gravity is an option’
Earlier this year, Greg Chamitoff went on the last-ever spacewalk by shuttle astronauts. He tells New Scientist what it felt like
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Earlier this year, Greg Chamitoff went on the last-ever spacewalk by shuttle astronauts. He tells New Scientist what it felt like
From antimatter rockets to flying robots, NASA's wish list of technologies for space exploration stretches the imagination