robphy's latest activity
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robphy replied to the thread Playing the guitar, the difference between being good and being a genius.....MaituoGuitar - "Hi guys, this is my guitar channel, first of all, let me introduce myself, my name is: Maituo / Chinese name: Lv Junxi... -
robphy replied to the thread Undergrad Why did the photon lose its license?.In addition, what is also overlooked is that those events are still causally ordered. For two null-related events, one event is in the...
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robphy reacted to PeterDonis's post in the thread Undergrad Why did the photon lose its license? with
Like.
Neither of these are correct. What is correct is that "proper time" and "proper distance" are undefined for light. Lightlike objects in... -
robphy replied to the thread Playing the guitar, the difference between being good and being a genius.....(2020) Al Di Meola talks about Matteo Mancuso (2020) Joe Bonamassa talks about Matteo Mancuso - (2024) Joe Bonamassa & Matteo Mancuso...
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robphy replied to the thread Playing the guitar, the difference between being good and being a genius.....(2022) Al Di Meola & Matteo Mancuso - live @ Eddie Lang Jazz Festival 2022 - Monterodu (2026) Are There Any Guitarists Better Than...
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robphy reacted to sbrothy's post in the thread Playing the guitar, the difference between being good and being a genius.... with Like.
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robphy replied to the thread Philomena Cunk Interviews Brian Cox.Philomena Cunk is great because her character is like the host of a documentary. By contrast, there was Ali G (another character of...
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robphy replied to the thread Quantum Textbook Sequence Request: Entering B.Sc. Physics (Theoretical Focus).Possibly useful: https://www.ocf.berkeley.edu/~abhishek/chicphys.htm https://webspace.science.uu.nl/~hooft101/theorist.html
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robphy replied to the thread Most Hard-Driving Music?.Recently posted Slayer - (The Club Horizon Garage/Calvary Cemetery) Huntington Park, CA 9.86 (Metal Mania TV show) ( &t=16m47s Kerry...
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I hope you may find this as hilarious as do I.
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robphy replied to the thread How Does Desmos Auto Embed Links in Posts?.This is a test to see how the new Desmos Notebook format might be embedded. https://www.desmos.com/notebook/dekqcfv7yb...
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robphy reacted to Astronuc's post in the thread Sepsis is often misdiagnosed, or just missed. That may change soon. with Like.
Update: The recent death (at age 41 years) of NASCAR Cup Series champion Kyle Busch is raising awareness of sepsis, which appears to...
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robphy replied to the thread Books on the philosophy of math.Possibly helpful: https://en.wikipedia.org/wiki/Relationship_between_mathematics_and_physics The Applicability of Mathematics in...
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robphy replied to the thread Cover songs versus the original track, which ones are better?.Some interesting guitar styles performed in the Shorts by Johannes Persson . @98joh09 - The Tornado Of Souls solo in the style of 9...
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robphy replied to the thread History Biographies, History, Philosophy of Physics.Some interesting interviews (AIP Oral History Interviews (OHI)) of some relativity professors: Malament, David on 2026 February 11 and...