Tumbleweed Rover Ball Could Be Key to Exploring More of Mars [Mars]
Martian rovers with wheels are so 2009, man. And they get stuck in the sand way to easily. What we need is an army of tumbleweed beach ball robots surveying hundreds of miles of Martian surface. NASA’s on the case.
![Tumbleweed Rover Ball Could Be Key to Exploring More of Mars [Mars] thumb160x tumbleweed.bmp widec1 Tumbleweed Rover Ball Could Be Key to Exploring More of Mars [Mars]](http://www.dtechgadget.com/wp-content/uploads/2010/03/thumb160x_tumbleweed.bmp_widec1.jpg)
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