How a molecule-thick layer of oil calms waves on a lake


The physics of oil spreading on water – and what it has to do with your smartphone screen.



A single tablespoon of olive oil on a lake
seems to smooth out the ripples – how? And what's it got to do with your smartphone?

The video above by What the Physics?! explains all this and more.

Explore #fluid dynamics
Curated content from the editorial staff at Cosmos Magazine.
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