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renormalize's latest activity
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renormalize
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Describing the Big Bang
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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
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renormalize
reacted to
JimWhoKnew's post
in the thread
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Maxwell stress tensor
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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
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renormalize
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morrobay's post
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Random Photos
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Indeed
Sep 19, 2025
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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
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renormalize
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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
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renormalize
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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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renormalize
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What type of toilet do I have?
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Your toilet definitely appears to be siphonic: (from...
Sep 17, 2025
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renormalize
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Is there a bad intuition or bad explanation in quantum entanglement?
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This is a very interesting discussion. Do either of you know of references that compare and contrast standard (non-relativistic) QM with...
Sep 17, 2025
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renormalize
reacted to
WernerQH's post
in the thread
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Energy*time uncertainty for particle decay
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I think the first alternative is better, but it depends on how you define ΔE and Δt. For ## \Delta t ## it is customary to use the...
Sep 16, 2025
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renormalize
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Insights
What Exactly is Dirac’s Delta Function? - Insight
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At what value of ##x## does the Dirac delta function ##\delta\left(x\right)## equal to ##1\,##?
Sep 16, 2025
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renormalize
reacted to
jedishrfu's post
in the thread
Insights
Fermat's Last Theorem
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@mathman100000, this is a personal opinion. While there is a non-zero percentage that this is the case, it is far more likely that...
Sep 15, 2025
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Gravitational self-interaction: another attempt to replace Dark Matter
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Having not read this paper I offer no opinion on its physics content. But with regard to its "seriosity" I will just point out that...
Sep 14, 2025
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renormalize
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Off resonance driving of a MW/RF cavity
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The PCB cavity looks like a through at DC so when driven by coax it transmits 100% of the DC signal. But a hollow cavity coupled with...
Sep 13, 2025
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renormalize
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Off resonance driving of a MW/RF cavity
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Let's look at a real-world example consisting of a resonant printed circuit board (PCB) structure driven by coax connectors...
Sep 13, 2025
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renormalize
reacted to
PeterDonis's post
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A sufficient condition for integrability of equation ##\nabla g=0##
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Agree
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Sorry, this is simply wrong. We can't have a useful discussion if you continue to make wrong claims after repeated corrections. Thread...
Sep 13, 2025
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