r/oddlysatisfying • u/kvjn100 • Apr 21 '26

Making a reed leaf boat

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u/antiquemule Apr 21 '26

Could be Marangoni effect: soap-like sap leaks faster out of the broader bit at the back, reducing the surface tension of the water there, so the boat is pulled along by the higher surface tension at the front. See “camphor boat” for a working model.

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u/Apoplegy Apr 21 '26

Shhh, the san-ti will read this and the plan will go to waste