Cosmic Log: Driving on the moon isn't as easy as shifting into first gear and putting the pedal to the metal. One team's solution to the challenge is to create wheels as sturdy as armor and as mushy as a bean-bag chair.
Full story at http://cosmiclog.msnbc.msn.com/_news/2011/01/03/5758134-reinventing-the-wheel-for-the-moon
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