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Mars Rover Could Be Threatened By Own Drill

As NASA's Mars rover Curiosity prepares to use its rock-boring drill for the first time, engineers are troubleshooting an issue with the power tool that may affect the entire mission.

Curiosity's fast-spinning percussive drill should make it through the originally planned two-year prime mission, team members say. But at some point a bond in the drilling mechanism will fail, causing an electrical short that could threaten to knock out the entire rover.

Source: Space.com. Read full article. (link)

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