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Even astronauts do grunt work, including routine maintenance and organizing cargo. It's a waste of precious space time, and taxpayer money -- it costs about $130,000 an hour to keep astronauts in orbit. Ethan Barajas' Icarus Robotics aims to delegate those menial tasks to robots. #ForbesUnder30Read more: https://t.co/4foeJQrpOQPhoto: Sebastian Nevols for Forbes ...