this post was submitted on 11 May 2024
436 points (97.0% liked)

Science Memes

11081 readers
3085 users here now

Welcome to c/science_memes @ Mander.xyz!

A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.



Rules

  1. Don't throw mud. Behave like an intellectual and remember the human.
  2. Keep it rooted (on topic).
  3. No spam.
  4. Infographics welcome, get schooled.

This is a science community. We use the Dawkins definition of meme.



Research Committee

Other Mander Communities

Science and Research

Biology and Life Sciences

Physical Sciences

Humanities and Social Sciences

Practical and Applied Sciences

Memes

Miscellaneous

founded 2 years ago
MODERATORS
 
you are viewing a single comment's thread
view the rest of the comments
[–] cmgvd3lw@discuss.tchncs.de 27 points 6 months ago (3 children)

Is the last pic the criticality blue glow from reactors?

[–] wiLD0@lemmy.world 55 points 6 months ago* (last edited 6 months ago) (1 children)

Ah, it’s a photo of a mercury arc rectifier (which is more electrical engineering, maybe?), not, Cherenkov radiation.

[–] marcos@lemmy.world 24 points 6 months ago

"Mercury" and "arc" on the same sentence do really, really not make one imagine something that perfectly fine to use or be around in operation.

[–] zagaberoo@beehaw.org 3 points 6 months ago

Just plain old blue electrical arcs.

On the other hand, Cherenkov radiatiation is only indirectly related to criticality. It comes from any particle moving through a medium, generally water, faster than light travels through that medium. A luminous sonic boom of sorts! It's associated with criticality because those are the contexts where it happens often enough to actually be visible.

[–] asbestos@lemmy.world 3 points 6 months ago

Nah it’s a glass something that has to do with electricity but I forgot what