NASA's new airless titanium tires are almost indestructible
Flat tires and AAA roadside assistance may soon be memories. NASA Glenn Research engineers have just unveiled a new super-elastic tire constructed from nickel titanium, a shape memory alloy able to flex, conform, and then return to its original shape even after traversing the most punishing of terrains. While this latest invention is part of a larger, half-century-long effort to build a better tire for extra-planetary exploration, NASA engineers and materials scientists note they’ve already been testing a spinoff version for cars and trucks on Earth.
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