All the friends of Wigner

In one of my recent posts, I hinted at the practical paradox presented by the “electric” Aharonov-Bohm effect, in that such a phenomenon should affect charges traversing a region where an electric field existed previously. This singular and counter-intuitive effect of dissociation of

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Christmas soap-snowglass

An interesting aquarelle on display in the Napoleon’s Last Headquarters Museum, near Waterloo, depicts the Belle Alliance inn. The roof and walls are seen shot by cannonballs; an officer of the Chasseurs Imperiales, with the uniform represented in full details, walks on his horse; some remains

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Quantum supremacy is not a bad word

Quantum computing is expected to bring about a revolutionary impulse to high-performance computing. Just like a few other notable advances of modern physics, the idea of using quantum computers to simulate quantum systems that are too hard to calculate using conventional digital computers was proposed in 1981

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