sleep_deprived
@sleep_deprived@lemmy.dbzer0.com
- Comment on These gender reveals are getting rather ridiculous.. 5 weeks ago:
Oh cool! I hadn’t considered that. The crystallin and vitreous humor in the eye do indeed have a refractive index similar to water, so Cherenkov radiation happens at less than 1 MeV IIRC, so it comes down to how much light would actually be produced in such a small volume. It does seem perfectly feasible!
- Comment on These gender reveals are getting rather ridiculous.. 5 weeks ago:
Somebody please correct me if I’m wrong, but I believe due to the very low refractive index of about 1.0003, particles need tremendous energy to produce Cherenkov radiation in atmosphere. So the demon core flashes (while perhaps some small part Cherenkov) were probably mostly just from the ionization of the air, and subsequent recombination.
If my awful phone math is right, you’d need about 21 MeV of energy for an electron to produce Cherenkov radiation. I think the processes producing energetic electrons here (Compton scattering, some pair production, photoelectric effect, internal conversion, delta rays, and Bremsstrahlung cascade I believe) should regularly produce energies around 10 MeV at most from Compton.
- Comment on Refreshing to occasionally see an honestly written obituary 1 month ago:
The entire series is incredible, if you have the time. It really left an impression on me.
- Comment on Refreshing to occasionally see an honestly written obituary 1 month ago:
- Comment on It's not supposed to make sense... 3 months ago:
electroweak unification
Oh, that’s easy! Just take your understanding of how spontaneous symmetry breaking works in QCD, apply it to the Higgs field instead, toss in the Higgs mechanism, and suddenly SU(2) × U(1) becomes electromagnetism plus weak force!
(/s)
- Comment on Well, he's...he's, ah...probably pining for the fjords. 4 months ago:
For those curious, I found this source: prefrontal.org/files/…/Bennett-Salmon-2009.pdf (Bennet et al. 2010: Neural correlates of interspecies perspective taking in the post-mortem Atlantic Salmon: An argument for multiple comparisons correction)
Essentially it’s using a dead salmon as a lone control to argue that fMRI studies should be more rigorous in how they control for random noise.
- Comment on Anon plays Pokemon Go 5 months ago:
The last I heard, the issue is that the person that maintained the code left, so it’s still on some super old version of PHP. So they need to upgrade the entire codebase to a modern version, which can be a very involved process. I could definitely be wrong though.
- Comment on i'm gonna need directions 7 months ago:
“yeah man it’s right above [Xe] 4f^14^ 5d^10^ 6s^1^, you can’t miss it”