Parthib Roy's latest activity
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Parthib Roy reacted to Ibix's post in the thread Undergrad Precision Microwave-Background Fluctuations with
Informative.
Adding to the above, for something like the CMB fluctuations, it's far better to talk about their angular scale than about their size in... -
Parthib Roy reacted to pinball1970's post in the thread Philomena Cunk Interviews Brian Cox with
Haha.
More recently... -
Parthib Roy replied to the thread Philomena Cunk Interviews Brian Cox.I mean at least she should have worn her helmet for the entire time 🤣 There is no telling what brian cox would do after hearing the...
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Parthib Roy replied to the thread Star Wars Galaxy map just dropped.Guys any thoughts on why half of the star wars galaxy still remains unconquered by the great Empire?
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Parthib Roy reacted to berkeman's post in the thread High School A question about the rotation of points on a wheel with
Like.
Have a look at this article about the Cycloid motion of a point on a wheel: https://en.wikipedia.org/wiki/Cycloid... -
Parthib Roy replied to the thread High School A question about the rotation of points on a wheel.the bottom of the wheel acts as a instantaneous axis of rotation ,so as to simplify the part of the wheel in contact with the ground...
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Parthib Roy reacted to PeterDonis's post in the thread High School The One Electron Universe suggested by Wheeler with
Agree.
Ah, ok. Yes, I would not trust the Wikipedia page's description of the actual details of the hypothesis. -
Parthib Roy replied to the thread High School The One Electron Universe suggested by Wheeler.yeah i got your explanation only thing is that i took the word from the wiki page that i linked in my question so if anything i think...
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Parthib Roy reacted to PeterDonis's post in the thread High School The One Electron Universe suggested by Wheeler with Like.
This question isn't a question of physics, because "truly identical" is vague ordinary language. If I have one electron with spin up in...
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Parthib Roy replied to the thread High School The One Electron Universe suggested by Wheeler.Was availability of more electrons than positrons the only argument against wheelers one electron hypothesis ? And are electrons truly...
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Parthib Roy posted the thread High School The One Electron Universe suggested by Wheeler in Cosmology.The one-electron universe is the hypothesis that all electrons and positrons are actually manifestations of a single entity moving...
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Parthib Roy reacted to Ibix's post in the thread High School A question on the geometry of black holes with Informative.
Since the thread is reopened I'll drop in something I wrote on proper and comoving distance: Proper distance is the distance measured...
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Parthib Roy replied to the thread High School A question on the geometry of black holes.I would like to second Cerenkov's suggestion here. As another member who finds themselves reading these threads with a mix of...
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Parthib Roy reacted to Ibix's post in the thread High School A question on the geometry of black holes with Like.
I think your wording is a bit off if you are meaning the same as what we're saying. I don't think it's a good idea to say they see a...
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Parthib Roy reacted to PeterDonis's post in the thread High School A question on the geometry of black holes with Like.
The diagrams in Davis & Lineweaver show the difference. In terms of comoving distance, any two comoving observers are a constant...
