robphy's latest activity
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https://en.wikipedia.org/wiki/Daniel_Kleppner https://physics.mit.edu/faculty/daniel-kleppner/... -
It's sad to learn of another great scientist passing the torch. The Big Bang theorists have won out over Hoyle's and Narlikar's steady...
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robphy replied to the thread Reliability of LLM for generating examples in mathematics.I agree... but I would hope that an LLM wouldn't need such conditions on what are presumably very easy and very basic questions in...
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robphy reacted to Ibix's post in the thread B What reference frame is used for the velocity v in the Lorentz transformation? with
Like.
Of course. But you aren't doing anything except repeating "this doesn't make sense to me personally". You need to do some maths to... -
robphy reacted to PeroK's post in the thread B What reference frame is used for the velocity v in the Lorentz transformation? with Like.
There are different levels of "doubt". Suppose you started learning pure mathematics and immediately didn't understand mathematical...
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robphy reacted to DaveC426913's post in the thread Site Usability nitpick -- Hyperlinks should be underlined with Like.
Official standard: WCAG (Web Content Accessibilty Guidelines) published by the World Wide Web Consortium (W3C), widely recognized...
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robphy reacted to DaveC426913's post in the thread Site Usability nitpick -- Hyperlinks should be underlined with Like.
Right, but what you, or I, or any individual user prefers is irrelevant. Un-underlined links are hostile design; they are great for...
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robphy replied to the thread Reliability of LLM for generating examples in mathematics.I read a comment somewhere (in response to this newsitem about ChatGPT doing math) that suggested the operation to "subtract 5.9-5.11"...
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robphy reacted to martinbn's post in the thread Reliability of LLM for generating examples in mathematics with Like.
The first one says -0.21. Do you really want to learn homological algebra from them?
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robphy replied to the thread Reliability of LLM for generating examples in mathematics.Ask your favorite LLMs, the following... subtract 5.9-5.11
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robphy reacted to sysprog1's post in the thread Learning data structures and algorithms in different programming languages with
Informative.
The rosettacode.org site has many sample programming tasks/problems and it shows solutions implemented for each of them in dozens of... -
https://www.aapt.org/Conferences/ lists the next set of conferences 2026 Winter Meeting - January 17 - 19, Las Vegas, Nevada 2026...
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robphy replied to the thread Most Hard-Driving Music?.Here are some videos by Marcin (an example of Hard-Driving Music on an Acoustic Guitar): When NBA Hires Just One Guitarist for a...
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robphy reacted to renormalize's post in the thread I How do non-diagonal indices of a metric allow for local flatness? with Informative.
Are you familiar with "light-cone coordinates" in Minkowski spacetime? (See https://en.wikipedia.org/wiki/Light-cone_coordinates.)
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robphy replied to the thread Site Usability nitpick -- Hyperlinks should be underlined.At the recent AAPT meeting, one of the updates to Glowscript/WebVPython is an improvement to better support accessibility. possibly...