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renormalize's latest activity
R
renormalize
replied to the thread
A
Free surface problem in electrohydrodynamics
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So do you agree that the authors meant to write ##\nabla## and that their eq.(2) is therefore not nonsense?
Sep 23, 2025
R
renormalize
replied to the thread
A
Free surface problem in electrohydrodynamics
.
I think that ##\nabla^2## is just a typo; it should instead be the vector-operator ##\nabla## according to Fick's laws of diffusion. The...
Sep 23, 2025
R
renormalize
replied to the thread
A
Free surface problem in electrohydrodynamics
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OK, I can see from your attached paper that you are quite knowledgeable regarding EHD, so providing a detailed answer to your question...
Sep 23, 2025
R
renormalize
posted the thread
Using AI in experimental physics
in
Computing and Technology
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Here's an upcoming presentation from the grad school I attended about applying AI to fundamental physics, namely, analyzing high-energy...
Sep 23, 2025
R
renormalize
replied to the thread
A
Free surface problem in electrohydrodynamics
.
You say in the first line of your abstract: Research on free-surface flows in electrohydrodynamics has predominantly focused on the...
Sep 23, 2025
R
renormalize
replied to the thread
A
Free surface problem in electrohydrodynamics
.
The OP posits a fluid medium with a constant bulk charge density and so it carries a nonzero total charge. Assuming that the fluid does...
Sep 22, 2025
R
renormalize
replied to the thread
B
Star like object travels in a zigzagging pattern relative to other stars
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So what is your best guess for what you saw?
Sep 21, 2025
R
renormalize
reacted to
jbriggs444's post
in the thread
I
What Are the Limits of the Universe According to Cosmologists?
with
Like
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My training as a network engineer (retired) has been activated... On the face of it, the URL...
Sep 21, 2025
R
renormalize
reacted to
fresh_42's post
in the thread
I
What Are the Limits of the Universe According to Cosmologists?
with
Like
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This is indeed a bit strange. It is an Austrian address, and the pdf says about the author University of Applied Arts Vienna, more...
Sep 21, 2025
R
renormalize
replied to the thread
I
What Are the Limits of the Universe According to Cosmologists?
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Is this material available anywhere else? Regarding your link, my security software states: "Your connection to this web page is not...
Sep 21, 2025
R
renormalize
reacted to
JimWhoKnew's post
in the thread
I
Maxwell stress tensor
with
Like
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There is. If you practice Einstein's summation convention a little, where repeated indices imply summation:$$A_iB_i:=\sum_{i=x,y,z} A_i...
Sep 21, 2025
R
renormalize
reacted to
morrobay's post
in the thread
Random Photos
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Like
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Indeed
Sep 19, 2025
R
renormalize
replied to the thread
Random Photos
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A tragedy indeed. And I must say I did a double-take at the birth- and death-dates. I hadn't before encountered Buddhist Era (BE) dates...
Sep 19, 2025
R
renormalize
replied to the thread
I
Maxwell stress tensor
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No, the two expressions ##\nabla\cdot\vec{E}## and ##\vec{E}\cdot\nabla## are very different. The first is simply the scalar quantity...
Sep 18, 2025
R
renormalize
reacted to
WernerQH's post
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Is there a bad intuition or bad explanation in quantum entanglement?
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A while ago @bhobba pointed to an interesting paper by T Padmanabhan: "Obtaining the Non-relativistic Quantum Mechanics from Quantum...
Sep 18, 2025
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