robphy's latest activity
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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...
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robphy reacted to PeterDonis's post in the thread Undergrad Was Richard Feynman's explanation of the twin paradox wrong? with Like.
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...
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robphy reacted to renormalize's post in the thread Undergrad Was Richard Feynman's explanation of the twin paradox wrong? with Like.
Explain how learning from YouTube videos instead of textbooks assures that you "...don't...learn physics that will be different for 100...
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robphy reacted to .Scott's post in the thread Undergrad Was Richard Feynman's explanation of the twin paradox wrong? with Like.
There is no reason to believe that Feynman went wrong anywhere. The video does not provide a specific Feynman quote - so there is no...
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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 Jame Freericks) Update: see the author’s discussion on
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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.)
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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. -
robphy replied to the thread RIP Frank Lee Beard (June 11, 1949 – August 17, 2026), ZZ Top drummer.See also my recent post #2560 La Grange from the covers thread.
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robphy reacted to Astronuc's post in the thread RIP Frank Lee Beard (June 11, 1949 – August 17, 2026), ZZ Top drummer with Like.
Frank Lee Beard (June 11, 1949 – August 17, 2026) was an American musician who was the longtime drummer of the rock band ZZ Top...
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robphy replied to the thread Cover songs versus the original track, which ones are better?.Nene Royal Rattikarn Amloy (Thai: รัตติกานต์ อำลอย;[1] RTGS: Rattikan Amloi ) https://en.wikipedia.org/wiki/Nene_Royal...
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robphy reacted to Sagittarius A-Star's post in the thread High School Einstein equations don't work at large scale? with Like.
100% of engineering & technology use Einsteinean physics, but in > 99% of the use cases Newtons laws of classical mechanics are accurate...
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robphy replied to the thread Cover songs versus the original track, which ones are better?.Heartbreaker (1978) https://en.wikipedia.org/wiki/Jenny_Darren https://en.wikipedia.org/wiki/Heartbreaker_(Pat_Benatar_song) (1979)...
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robphy reacted to Hornbein's post in the thread Cover songs versus the original track, which ones are better? with Like.
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robphy reacted to WWGD's post in the thread Cover songs versus the original track, which ones are better? with Like.
I do 100% prefer ZZ Top's Under Pressure to Queen's, however impressive Queen is overall.