› added 10 years ago

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TIL the screen on the window of your microwave oven keeps your face from melting. The size of the holes in the screen are vastly smaller than a the wavelength of a microwave, effectively blocking them.

Read more hyperphysics.phy-astr.gsu.edu

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Eppw TIL in Super Mario Bros., the Hammer Bros. eventually chase Mario if he stands still long enough
EgOEo TIL about transgenerational obesogens - substances which when consumed by pregnant people, will have lifelong effects of predisposing that future child to obesity by altering adipogenesis
b97ja TIL that Hey Arnold originally started out as a series claymation shorts on Sesame Street
1GEX TIL that Ed Zahn accidentally aged a block of cheddar cheese for 40 years.
MeWEA TIL buildings in Hong Kong have huge square gaps (AKA "Dragon Gates") carved out of them in order to let these mythical flying creatures pass freely through structures as they migrate back and forth between the mountains and the ocean