this post was submitted on 27 Sep 2025
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[–] vithigar@lemmy.ca 14 points 1 day ago (1 children)

Isn't the blue glow only present under water (or other transparent medium with a similarly high index of refraction)?

[–] traceur201@piefed.social 29 points 1 day ago (1 children)

It's technically slightly visible in air; if actually visible at all in air it means the level of radiation is ludicrously deadly

[–] starman2112@sh.itjust.works 3 points 15 hours ago* (last edited 15 hours ago)

It's not so much that it's visible in air, it's just that your eyes have water in them

So yeah, if you can see Cherenkov radiation outside of a pool of water, then that means the only thing attenuating the radiation is your eyeballs