this post was submitted on 22 May 2025
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Infrared contact lenses let you see in the dark (arstechnica.com)
submitted 1 day ago by will_a113@lemm.ee to c/technology@lemmy.world
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[–] Jtotheb@lemmy.world 2 points 10 hours ago* (last edited 10 hours ago) (1 children)

Yes, this includes ultraviolet light.

Why? Does it also include x-rays? That’s only one step further on the electromagnetic spectrum. Seems arbitrary to stop at ultraviolet waves! Does that mean thin sheets of steel aren’t opaque? Or is the term “opaque”, without any modifiers attached, colloquially used to describe whether something permits visible light through?

For the record, they’re not opaque. The original article actually says they work better if you close your eyes.

[–] Buddahriffic@lemmy.world 1 points 7 hours ago

Or with cosmic rays, not sure anything would be opaque.