NASA's Mars 2020 rover got a bit of a workout recently as it flexed its mechanical muscles. Captured in a time-lapse video, the 7-ft (2.1 m) robotic arm with its 88-lb (40-kg) "hand" did a bit of curling as space agency engineers guided it from its deployed to its stowed configuration ahead of the unmanned explorer's launch to the Red Planet next year.
.. Continue Reading Mars 2020 rover flexes its arm ahead of 2020 launchCategory: Space
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