Twin robots mark second anniversary
Monday, January 2, 2006; Posted: 3:23 p.m. EST (20:23 GMT)
LOS ANGELES, California (AP) -- The warranty expired long ago on NASA's twin robots motoring around Mars.
In two years, they have traveled a total of seven miles. Not impressed? Try keeping your car running in a climate where the average temperature is well below zero and where dust devils can reach 100 mph.
These two golf cart-sized vehicles were only expected to last three months.
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