DiscoverScience, SpokenThis Ancient Technology Is Helping Millions Stay Cool
This Ancient Technology Is Helping Millions Stay Cool

This Ancient Technology Is Helping Millions Stay Cool

Update: 2024-07-10
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Cheap, low-energy evaporative cooling devices are keeping water, food, people, and even whole buildings cool across India.

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This Ancient Technology Is Helping Millions Stay Cool

This Ancient Technology Is Helping Millions Stay Cool

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