An even more radical concept, the Goodyear Eagle 360 Urban, is as round as a beach ball and connected to the car using “magnetic levitation, which suspends the tire from the car by magnetic fields,” according to the company. It also uses artificial intelligence “to sense, decide, transform and interact.”

“Made of super-elastic polymer, the tire’s bionic skin has a flexibility similar to that of human skin,” Goodyear said, “allowing it to expand and contract … like human muscles, re-shape the individual sections of the tire’s tread design, adding ‘dimples’ for wet conditions or smoothing the tread for dry conditions.”
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