Air conditioning is one of the greatest inventions of the 20th Century. It’s also killing the 21st
When did indoor air become cold and clean? Air conditioning is one of those inventions that have become so ubiquitous that many in the developed world don’t even realize that less than a century ago, ...
Scientists have invented a new form of air conditioning that could massively reduce the environmental harm caused by current AC units. The breakthrough involves replacing harmful hydrofluorocarbon ...
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