#hannayangle — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #hannayangle, aggregated by home.social.
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@marcioaleks Try a tray with 4 strings, each string at a corner. Hold tray by holding all 4 strings at an apex above the center of the tray. Run around with coffee in middle of tray while holding the apex of the strings. No spillage. Thanks to Dr. John Hannay of the #hannayangle who demonstrated this in a special relativity lecture in 2003 ish.
#BristolUniversity https://en.m.wikipedia.org/wiki/Hannay_angle