10 years ago
Slow-mo video of raindrops reveals how rain gets its distinctive smell
It's a great word and an even better smell — the one that hangs in the air after a rain storm. By filming raindrops in super-slow-motion, MIT researchers think they've figured out how this smell works. It turns out that raindrops release little bursts of aerosols, or fine particles of liquid suspended in gas. Just as the aerosols released by champagne bubbles make the wine smell and taste distinctive, the aerosols released when rain hits the ground...
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