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EMPA, policemen, bulletproof vests, air conditioners, air conditioning, Swiss Federal Laboratories for Materials Science and Technology, wearable technology, eco-fashion, sustainable fashion, green fashion, ethical fashion, sustainable style, climate-controlled clothing, climate-controlled fashion

Air-Conditioned Bulletproof Vests Keep Police Officers Cool in the Heat

Kevlar vests may be able to stop bullets in their tracks, but they're also impermeable to water vapor. Translation?...