robphy's latest activity
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robphy reacted to mathwonk's post in the thread Prove that ## 4\tan^{-1}\left[\dfrac{1}{5}\right]- \tan^{-1}\left[\dfrac{1}{239}\right]= \dfrac{π}{4}## with
Informative.
Courant, Differential and Integral Calculus, vol. 1, pp. 352-3. -
M 2.9 - 20 km ENE of Kenilworth, Illinois https://earthquake.usgs.gov/earthquakes/eventpage/us7000sz2h/executive 2026-07-08 19:38:43...
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robphy replied to the thread Cover songs versus the original track, which ones are better?.Nene Royal (2026-July 7) 16-Year-Old Nene Royal Is Shy... Until She Starts Singing "Zombie" | Auditions | AGT (2024) Zombie - The...
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Work in progress, but okay for now, thanks!
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robphy replied to the thread Announcement Forum Consolidations.Maybe off topic... but I like the "Science by Humans" part Physics Forums - Science by Humans
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Hey everyone! Missing a favorite forum? It may have moved. Here is an update: Astronomy + Cosmology merge and nests into Physics...
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robphy replied to the thread Cover songs versus the original track, which ones are better?.Last Rites / Loved To Deth (1985) from https://en.wikipedia.org/wiki/Killing_Is_My_Business..._and_Business_Is_Good!#Songs...
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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 replied to the thread Cover songs versus the original track, which ones are better?.=1050205&o=date']more Missioned Souls on PF
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Why should they? Do you know how to milk a cow by hand, plow a field with oxen, shoe a horse, properly (or not) dispose of night soil...
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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.
From the Department of Silly Covers
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robphy replied to the thread Cover songs versus the original track, which ones are better?.#1920 (In the Hall of the Mountain King) has a live-version from Blackmore's Rainbow. #1921 (Hall of the Mountain King - Savatage) has...
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robphy replied to the thread Cover songs versus the original track, which ones are better?.(2026) Europe - The Final Countdown Acoustic Guitar Cover ft. William Halajyan Solo - Neo Acoustix (2019) THE FINAL COUNTDOWN (Music...
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robphy reacted to PeterDonis's post in the thread Undergrad Simplified Special Relativity: Looking to get roasted on this with Like.
Moderator's note: Two subthreads have now been spun off into separate threads...
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robphy reacted to PeterDonis's post in the thread Undergrad Simplified Special Relativity: Looking to get roasted on this with Like.
It is if the assumptions are someone's personal theory. Discussion of personal theories is off limits here. If they appear in a valid...
