Dry spots on two pans (IMAGE)

American Institute of Physics

Dry spots on two pans

Caption

Foods will sometimes get stuck to a heated surface, even if oil or a nonstick frying pan is used. Scientists have investigated the fluid properties of oil on a flat surface and their work, reported in Physics of Fluids, shows convection may be to blame. Left: Dry spot on nonstick GRANITEC pan; right: dry spot on TEFLON-coated pan

Credit

Alex Fedorchenko

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