this post was submitted on 17 Feb 2026
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A fluid can store solar energy and then release it as heat months later (arstechnica.com)
submitted 2 months ago by Rekall_Incorporated@piefed.social to c/technology@piefed.social
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Sunlight can cause a molecule to change structure, and then release heat later.

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[โ€“] Noodle07@lemmy.world 2 points 2 months ago (1 children)

Kinda like the pocket heater bags that turns hot when you pop the metal piece inside of it ?

[โ€“] CannonFodder@lemmy.world 3 points 2 months ago

Kinda. Except it's uv light that recharges it, and it stays a liquid. And it's quite a lot higher energy density.