3 years ago
Goodbye Air Conditioning: This New Roofing Material Keeps Houses Cool
Air conditioning is something you barely notice — until the power goes out, and it no longer works. But what if keeping cool didn't require electricity at all? A scientist has invented a material that reflects the sun's rays off rooftops, and even absorbs heat from homes and buildings and radiates it away. And — get this — it is made from recyclable paper.
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