this post was submitted on 01 Apr 2024
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[–] LazaroFilm@lemmy.world 60 points 1 year ago (2 children)

This is called an LER. Light Emitting Resistor.

[–] agressivelyPassive@feddit.de 18 points 1 year ago

I think it's just an incandescent light nubbin at this point.

[–] glowing_hans@sopuli.xyz 2 points 5 months ago

Heat a material and it will emit light in wavelength corresponding to the heat https://en.wikipedia.org/wiki/Black_body.