Nugatory's latest activity
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Nugatory replied to the thread Undergrad Self-reference problem in MWI (13yo amateur, be gentle).”All branches exist” isn’t quite right, it’s better to say that there is a branch for every possible outcome, but violating the laws of... -
Nugatory reacted to Dale's post in the thread Undergrad Simplified Special Relativity: Looking to get roasted on this with
Like.
Then you need to branch out beyond your teachers. The other possible approach is to just learn relativity yourself. In the course of... -
Nugatory reacted to .Scott's post in the thread High School For a lighter take on relativity.... with Like.
In college, I took a 19th century Literature course (strictly because a literature course was "required"). What became very evident to...
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Nugatory posted the thread High School For a lighter take on relativity.... in Special and General Relativity.This piece was published in 1921, so five years after Einstein wrote "Relativity: The Special and the General Theory" for a general...
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Nugatory reacted to PeterDonis's post in the thread Undergrad Bell's theorem and measurements not done with Like.
Yes, that was Bell's point when he formulated the theorem: reality violates the Bell inequalities, so at least one of the assumptions...
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Nugatory replied to the thread Undergrad Bell's theorem and measurements not done.To evaluate that we have to look at the detailed construct of the real non-idealized experiment This would be an example of the fair...
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Nugatory replied to the thread Undergrad Bell's theorem and measurements not done.It is clearly valid to assign values to unmeasured properties of large objects and it was something of a surprise that unmeasured...
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Nugatory replied to the thread Undergrad Bell's theorem and measurements not done.It’s a proof by contradiction argument. The calculation is correct if the realism and locality assumptions hold; we do the experiment...
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Nugatory reacted to Ibix's post in the thread High School Is it possible for matter to be completely destroyed to nothingness with Like.
The answer to question 1 depends a bit in what you accept as "nothingness". The most complete destruction I can think of is to mix...
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Nugatory replied to the thread High School Is it possible for matter to be completely destroyed to nothingness.#1: if we expose ashes (or anything else, for that matter) to sufficiently high heat it will boil away into hot gas - but that’s still...
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Nugatory replied to the thread Undergrad Question about entanglement and relative causality.I cannot prove that that claim is wrong, but that doesn’t mean that I have to accept it. Causality is such a useful organizing...
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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...
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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...