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September 9, 2015 08:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/jL6saXmDTkw/hedgehog-rovers-hop-and-tumble-in-microgravity
Hedgehog Rovers Hop and Tumble In Microgravity
New submitter rgreid writes: Prototypes of a new type of rover designed to explore the surface of comets and asteroids have been demonstrated recently by JPL and Stanford. Videos of the rovers in NASA's "vomit comet" show the Hedgehog prototypes performing hopping and tumbling maneuvers in a low-gravity environment. The low gravity and rough terrains found on comets and asteroids make driving with traditional rovers difficult and hazardous— the Hedgehog rovers are specifically designed to overcome these challenges and use the low gravity environment to their advantage. A last-resort "tornado" maneuver shows how the Hedgehogs could leap upwards if they get stuck in a sinkhole. The team's concept was previously covered in 2013; this recent work goes a long way toward demonstrating that Hedgehog rovers could work on a real comet or asteroid.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/jL6saXmDTkw/hedgehog-rovers-hop-and-tumble-in-microgravity
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