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PC A/C On the Trail of a Solar-Powered Chill

You want cool rooms, even on a hot summer's day? Electricity-guzzling air conditioner units have long been the only option. But change is afoot: A Hamburg firm is transforming sunshine into affordably cool air.
Von Sascha Rentzing
Conventional solar panels are everywhere. But can they create cool air?

Conventional solar panels are everywhere. But can they create cool air?

AFP
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