What is this close-up picture? (WotsThat: The sole of a Nike shoe)

Question

What object is shown in this zoomed-in close-up photo?

Neo1eon · Accepted Answer

The sole of a Nike shoe. Nike's iconic Air sole was actually invented by Frank Rudy, a NASA engineer, who got the idea from the pressurized fuel tanks he worked on at the space agency. When Nike first introduced Air cushioning in 1978, many competitors dismissed it as a gimmick, but it fundamentally changed how athletic shoes were designed across the entire industry.

Answer: The sole of a Nike shoe

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