When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It sounds like something from a 19th-century sci-fi novel: A Mars robot with a metallic ...
It sounds like something from a 19th-century sci-fi novel: A Mars robot with a metallic five-fingered claw that's actuated by the melting of wax. But that robot is very real: It's NASA's InSight Mars ...
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