Why Rain Smells So Good: Raindrops Release Bubbling Aerosols on Impact (VIDEO)

January 20, 2015 3:42 PM

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There's nothing like the smell after a rainstorm. Now, scientists have uncovered exactly why the outdoors smell so good after rain falls. It turns out that raindrops release aerosols upon impact.

So how did the researchers find this out? It's all thanks to technology. The scientists used high-speed cameras to capture raindrops upon impact. They found that when a raindrop hits a porous surface, it traps tiny air bubbles at the point of contact. These bubbles then shoot upwards and burst from ...

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