robphy's latest activity
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Vocalist with Black Sabbath and solo artist. -
robphy replied to the thread Music Cover songs versus the original track, which ones are better?.Black Sabbath's Ozzy Osbourne dies aged 76 https://www.bbc.com/news/live/cn0qq5nyxn0t
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robphy reacted to Dale's post in the thread A The Causal Bootstrap Paradox in General Relativity with
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This isn’t a paradox, it is simply a mistake. The EFE does not establish a causal relationship. A thought that it does is a mistake. -
robphy reacted to martinbn's post in the thread A The Causal Bootstrap Paradox in General Relativity with Like.
I think you have a misunderstanding of what an equation is. The equation doesn't say that ##T## determines or causes ##G##. It says that...
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robphy reacted to PeroK's post in the thread A The Causal Bootstrap Paradox in General Relativity with Like.
This "paradox" applies to many equations: Newton's second law, Maxwell's equations etc. It describes a mutual interdependence at the...
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robphy reacted to Herman Trivilino's post in the thread At what age is special relativity taught? with Like.
Also with an emphasis on events. The notion that an event occurs at a particular time but lasts for no time at all. This is needed so...
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robphy replied to the thread At what age is special relativity taught?.I think kinematics in PHY 101 should be taught with more position vs time graphs, with a structural comparison to Euclidean geometry. I...
