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Wednesday, October 21, 2026Updated 07:31 UTC

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After 80 Years of Smooth-Wing Dogma, Micro-Roughness Cut Drag 43%

Source: Bitcoin News · Oct 21, 2026 05:35 UTC

Aerial view of refinery storage tanks near Houston on the Gulf coast — File photo Carol M. Highsmith / Library of Congress · Public domain · Source

The Quick Take

A Distributed Micro-Roughness surface reduced aerodynamic drag by up to 43.6% in experiments run by a Japanese team using a magnetic levitation wind tunnel at the University of Tohoku. The microscopic, canyon-like texture is designed to suppress Tollmien-Schlichting wave growth, but the approach still needs full-scale validation and a maintenance plan to keep the surface […]

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