Tag: Richard Feynman
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In what sense do photons exist?
This is a genuine question on my part – and I would be grateful for any answers! The inspiration for asking the question comes from Genius: Richard Feynman and Modern Physics – my current “listen while running” book – along with Feynman’s own description of radiation in QED – The Strange Theory of Light and…
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“Crowd sourcing” to play a key role in fundamental physics experiment
Ordinary people are to be asked to make a contribution to an experiment which aims to determine key facts about the nature of the physical universe – reports the New Scientist. Particle physicists at CERN – the join European experiment famous for the Large Hadron Collider – are conducting an experiment – AEgIS – into…
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My one problem with Feynman’s QED
Well, as predicted, I finished off Richard Feynman‘s QED – The Strange Theory of Light and Matter in short order this morning – and it is a truly marvellous book. I just wish I had read it as an undergraduate. My one problem with it was its explanation of “stimulated emission“. Now, as an undergraduate, I…
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What a brilliant book
Just over three hours ago I started reading Richard Feynman‘s QED – The Strange Theory of Light and Matter (Penguin Press Science): and now, 110 pages later, I am stunned at its brilliance. If you are any sort of physics undergraduate you must read it. Similarly, if I was teaching ‘A’ level physics I would…
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Magnetic fields, again
I asked a couple of questions about magnetism before and I have to say I was not fully convinced by the answers – so here is another way of stating what puzzles me. Imagine a static magnet. Now magnetism cannot propagate instantaneous as if it did the magnet would surely immediately cease to be magnetic…
cartesian product ... stuff about computing mostly 