Flat tires can be a serious problem whether you are tooling down the interstate or crunching across a foreign planet. NASA and Goodyear developed an airless tire that lets large, long-range vehicles transport heavy loads across the surface of the moon.

The "Spring Tire" has inside 800 load-bearing springs and is designed to carry much heavier vehicles over much greater distances than the wire mesh tire previously used on the Apollo Lunar Roving Vehicle (LRV). According to Goodyear, NASA requires tires that can handle vehicles weigh ten times what Apollo required.

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