Source: Computational Materials Science, Volume 266
We're all familiar with the high-pitched squeak of basketball shoes on the court during games, or tires squealing on pavement. Scientists conducted several experiments and discovered that the geometry of the sneakers' tread patterns determines the squeak's frequency, enabling the team to make rubber blocks set to specific frequencies and slide them across glass surfaces to play Star Wars' "Imperial March."
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Actual 48x48 greyscale renders from confusable-vision. Left character in each pair is the confusable source (Cyrillic or Hebrew); right is the Latin target. Can you tell which is which?
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