Washington Post

Scientists study ways to cool people with less environmental impact

The cold-tube pavilion in Singapore. Foto: Lea Ruefenacht

The novel coronavirus has made an enemy of one of humanity's most reliable sources of comfort: the air conditioner.

Given the airborne nature of the virus, recirculating air has become a dangerous proposition, with at least one example from China showing possible contagion in an air-conditioned restaurant...

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