The science of smog - Kim Preshoff
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7 سال پیش
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On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn’t an act of war. It was smog. So what is this thick gray haze actually made of? And why does it affect some cities and not others? Kim Preshoff details t
7 سال پیش
در تاریخ 1396/07/06 منتشر شده
است.
124
بـار بازدید شده