NASA Wants to Make a C-3PO to Help Colonize Mars, But That May Not Be a Super Idea

What is your favorite space robot? How about stalwart Opportunity, still doing Martian science 11 years after its mission was supposed to end? Canadarm2 is another strong candidate: The 58-foot-long, seven-jointed robot put the International Space Station together, grappling from module to module like a slo-mo ninja warrior. Or maybe you’re more of a humanoid C-3PO fan. In that case, there’s the R5, a bipedal droid from NASA that can do all the repetitive and dangerous things that humans are too busy, bored, or susceptible to radiation to perform. Well, in theory.

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