Scientists make color-changing ‘sunglasses for windows’ to block heat
interestingengineering.com
A transparent film developed by Chinese researchers can change color to reduce glare and block heat from sunlight on demand.
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The original was posted on /r/tech by /u/chrisdh79 on 2024-05-29 13:47:50+00:00.

Original Title: Scientists create new color-changing ‘sunglasses for windows’ to block heat | Once activated the color changing film can retain the color for 40 hours unless a reverse potential is applied to make it transparent.