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6 questions with no upvoted or accepted answers
6 votes
0 answers
76 views

Does 5G affect your physics experiment?

Our institution wants to lease a nearby roof for a 5G mast. Has anyone experienced the installation and operation of telecoms infrastructure - particularly 5G - significantly affecting physics ...
NLambert's user avatar
  • 537
1 vote
0 answers
48 views

How much radiation on the surface of the moon during a Coronal Mass Ejection (CME)?

I'm writing a book set on the moon. A Coronal Mass Ejection (CME) as large as the Carrington Event hits it. Three astronauts are caught out during an EVA. They will cover their rover in regolith to ...
L.R. Lam's user avatar
1 vote
0 answers
60 views

Calculate irradiation from a LED lamp

I am working with cell culture and I want to irradiate a 96-well plate with a single color led lamp (let's say the peak is at 450nm). It's just a test, so a rough estimation would do. I've been ...
FaRaMa's user avatar
  • 11
0 votes
0 answers
233 views

How much UVA and UVB is blocked by shadow or being indoors?

I could not find a clear answer online so I though to try this forum instead. I did find answers on how different types of glass can block different degrees of UVA and UVB. But I was wondering, if I ...
Kroko's user avatar
  • 1
0 votes
2 answers
19 views

Should larger rocky planets eventually crack due to temperature differences between their inner and outer layers?

Should larger rocky planets eventually crack due to temperature difference between their layers? When a tick piece of glass is left to cool down it would eventually crack...but this is caused ...
Janko Bradvica's user avatar
0 votes
1 answer
51 views

What if static electromagnetic field is turned off? (in vacuum)

Lets assume that there is static electromagnetic field that has $E=17mc^2$ and $p=8mc$. At some time $t=t_0$, the field is turned off. (e.g. the electric current of coil went to zero by resistance, ...
littlegiant's user avatar