Nugatory's latest activity
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Nugatory reacted to Dale's post in the thread Graduate Is Energy conservation among sectors (EM,GR,QM) a principle? with
Like.
Again, there is no single answer. Any author can choose whether they take it as an assumed principle or a theorem proven from other... -
Nugatory replied to the thread Undergrad New EM spectrum designation between UV and X-rays.There's a fair amount of historical and biological accident in how we label the various ranges of the electromagnetic spectrum: for...
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Nugatory reacted to Ibix's post in the thread High School Do Dark Energy and the Casimir effect indicate Exotic Matter could exist? with Like.
Your intro thread says "18 y/o physics enthusiast". Special relativity should be well within your reach - you'll need calculus if you...
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Nugatory replied to the thread Undergrad What empirical observation supports the axiom of continuous spacetime?.The claim that quantum mechanics requires any ontology is a philosophical claim, not a physical one. All the physics is in the...
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Nugatory replied to the thread Undergrad Questions: Multi-particle entanglement, speed of light, electron orbitals.The quickest way to get someone to take a look is to report the thread, but now that I've seen this post from you I can take care of it.
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Nugatory replied to the thread Undergrad Questions: Multi-particle entanglement, speed of light, electron orbitals.Yes. Just about any system of multiple interacting particles will be entangled in some way. It’s more than “generally accepted”, it is...
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Nugatory reacted to Dale's post in the thread Undergrad What empirical observation supports the axiom of continuous spacetime? with Like.
No, this is not true. Some do, but not all. On the contrary, every observation which is correctly predicted by a theory which uses...
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Nugatory reacted to PeterDonis's post in the thread Undergrad What empirical observation supports the axiom of continuous spacetime? with Like.
Discreteness of what, though? Let's take the cases you give: Even leaving aside that there are arguments in the literature against the...
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Nugatory reacted to Astronuc's post in the thread Hantavirus outbreak aboard ship MV Hondius; virus present in Argentina with Like.
Several days ago, an outbreak of Hantavirus was reported aboard cruise ship MV Hondius, which apparently set sail from Argentina. Ref...
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Nugatory reacted to gentzen's post in the thread Graduate Six Textbook Mistakes in Quantum Field Theory with Like.
https://arxiv.org/abs/quant-ph/0609163 (Quantum mechanics: Myths and facts, H. Nikolić)
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Nugatory reacted to Demystifier's post in the thread Graduate Six Textbook Mistakes in Quantum Field Theory with Like.
I joined this forum soon after writing this paper, so this is how I have chosen my name. :smile:
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Nugatory replied to the thread High School Question about the spatial extent of a single photon in entanglement.This works as an analogy, sort of. QM does indeed say that we have one quantum system here. It just so happens that our measuring...
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Nugatory replied to the thread High School Question about the spatial extent of a single photon in entanglement.Of course, and that's always been how we view it: the entangled pair is not two distinct particles, it is a single quantum system...
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Nugatory replied to the thread Undergrad Does Spacetime rotate like a vortex?.Further posts in this thread should be pointers to other level-appropriate sources of accurate information.
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Nugatory replied to the thread Undergrad Does Spacetime rotate like a vortex?.That's easy - the answer is "No". But why? You are conflating two unrelated concepts. The observed rotation of some galaxies leads to...