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To flip this into a potential solution to a wider problem-- global thermal balance-- combine solar panels with radiative cooling.

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pfdietz|5 months ago

Ah yes, a paper from Fan Shanhui's group at Stanford, which kicked off the whole business. Should have linked that instead!

This is 5.7 deg (using metasurfaces to selectively reflect reflect absorb different wavelengths)

compared to a less fancy 4.9 deg from their seminal paper (2014)

Maybe comparable cooling can be achieved with even cheaper techniques..?