robphy's latest activity
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robphy replied to the thread Undergrad Getting back Maxwell's vector equations from their spinor version.possibly helpful (for an abstract-index notation approach): page 18 (and page 3 and onward for definitions) of "Conserved currents of... -
robphy replied to the thread Cover songs versus the original track, which ones are better?.(1991) Judas Priest - Painkiller [Best LIVE Version HQ] *RARE* 1991 (2026) JUDAS PRIEST ／ Painkiller ( cover ) 松島フェス-RockBarステージ-...
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robphy replied to the thread Announcement PF Style 2026.I can appreciate managing "cognitive load". It's overwhelming when it's too much.... too many signals, with a lot of background noise...
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robphy replied to the thread Undergrad Getting back Maxwell's vector equations from their spinor version.possibly useful: Electric and Magnetic fields in terms of Weyl spinors Isak Fleig , Department of Physics, Lund University Bachelor...
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robphy replied to the thread Announcement PF Style 2026.One of the motivations for my "third column" suggestions above was that I feel like there is a lot of space where there could be more...
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Much to prefer the Active Discussions section and the New Discussions section to be at either the left or the right sides near the top...
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Definitely looks like something from the 1980's. I'm getting IBM mainframe green-screen vibes.
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robphy replied to the thread Cover songs versus the original track, which ones are better?.Insomnia https://en.wikipedia.org/wiki/Anthem_(band) (2010) INSOMNIA by Anthem - in studio: Anthem - Insomnia -...
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robphy replied to the thread Announcement PF Style 2026.Some suggestions (assuming full-screen on a WIndows desktop): I think Latest activity's width should be shared with Today's signal so...
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robphy replied to the thread History Biographies, History, Philosophy of Physics.This arxiv-document is based on Mermin's "Light Rectangles", where the area of causal-diamonds is proportional to the square-interval...
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Yep, mostly a new slap of paint
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I think it's fine. And about time. Very modern. Funnily, first I thought I'd arrived at some site which used a domain name close to...
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It's fine. A bit prettier than the old style and, of course, I thought I had wandered into the wrong place when I first saw it. It has...
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robphy replied to the thread Metal, Rock, Instrumental Rock and Fusion.Over the last 8 years or so, I've been seeking new young rock/metal guitarists (with the help of YouTube) from what would typically be...
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robphy reacted to loop quantum gravity's post in the thread Metal, Rock, Instrumental Rock and Fusion with
Like.
well, instrumental music is rarely popular with people in their 10-30 years old nowadays. I remember in high school I brought a mp3 cd...
