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Purple fabric reflects 88 per cent of solar radiation and stays 6.2C cooler

Researchers have developed a purple fabric that reflects nearly 88 per cent of solar radiation and emits 96.4 per cent of mid-infrared heat into space. The material stayed up to 6.2 degree C cooler than standard purple cotton, offering a potential new approach to passive cooling

26 Aug 2026 9:30 am