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In 2021, researchers built a two-layer polymer film that cools like skin

Team Global · Science · 2026-08-29

In 2021, researchers built a two-layer polymer film that cools like skin

In 2021, researchers developed a groundbreaking two-layer polymer film that mimics human skin to cool buildings, achieving a cooling power of 150 W/m² under direct sunlight. This innovative material combines evaporative and radiative cooling techniques for efficient passive temperature regulation. In 2021, researchers built a two-layer polymer film that cools like skin; under direct sun, it stayed about 7°C below ambient with 150 W/m² cooling power.

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