robphy's latest activity
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robphy replied to the thread Cover songs versus the original track, which ones are better?.https://en.wikipedia.org/wiki/All_Along_the_Watchtower (1967) https://en.wikipedia.org/wiki/Bob_Dylan Bob Dylan live , All Along The... -
robphy posted the thread RIP Rafael Sorkin (1945-2026), relativity + causal set quantum gravity in General Discussion.https://en.wikipedia.org/wiki/Rafael_Sorkin https://artsandsciences.syracuse.edu/people/faculty/rafael-d-sorkin/... -
robphy replied to the thread High School Can anyone deeply understand relativity?.Often, in a discovery or in the development of an idea, one should distinguish "the way it was discovered" from "the way it could be... -
robphy reacted to Hornbein's post in the thread Cover songs versus the original track, which ones are better? with
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Latin version. -
robphy reacted to A.T.'s post in the thread Cover songs versus the original track, which ones are better? with
Haha.
Yeah, that's how you scare off that Jolene. -
robphy replied to the thread Cover songs versus the original track, which ones are better?.(2023) Olivia Newton-John - Jolene (Official) ft. Dolly Parton (1978) Olivia Newton-John - Jolene (1978) HQ - (1982) Olivia... -
robphy reacted to pinball1970's post in the thread Cover songs versus the original track, which ones are better? with
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A nice cover and tribute from a talented singer and musician. -
robphy reacted to FactChecker's post in the thread Undergrad Was Richard Feynman's explanation of the twin paradox wrong? with
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That is true, but I like that the geometric algebra shows that it all comes from one concept/methodology, based on very basic... -
robphy replied to the thread Undergrad Was Richard Feynman's explanation of the twin paradox wrong?.In my experience, YouTube videos may -on occasion- suggest an interesting way of looking at particular aspect not found in a physics... -
robphy reacted to PeterDonis's post in the thread Undergrad Was Richard Feynman's explanation of the twin paradox wrong? with
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There's no place you can go to learn any such thing. But you'll get a lot closer to it learning from textbooks and peer-reviewed papers... -
robphy reacted to renormalize's post in the thread Undergrad Was Richard Feynman's explanation of the twin paradox wrong? with
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Explain how learning from YouTube videos instead of textbooks assures that you "...don't...learn physics that will be different for 100... -
robphy reacted to .Scott's post in the thread Undergrad Was Richard Feynman's explanation of the twin paradox wrong? with
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There is no reason to believe that Feynman went wrong anywhere. The video does not provide a specific Feynman quote - so there is no... -
robphy replied to the thread Other Collection of Free Online Physics Books and Lecture Notes (Part 2).Quantum Mechanics Done Right (playlist of 40 videos by James Freericks) Update: see the author’s discussion on -
robphy replied to the thread Other Collection of Free Online Physics Books and Lecture Notes (Part 2).Hope it's helpful... check out my update on that resource. (The next post.) -
robphy reacted to PeroK's post in the thread Undergrad Does Time Dilation mean we are each alone in our own bubble? with
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If you find yourself alone on a Saturday night, you cannot blame the laws of physics.
