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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The breaking of our Liberties

Fracture mechanics is basically about scaling. Leonardo da Vinci (1452–1519) was the first to record some understanding of scaling in fracture, by designing strength tests on iron wires of different length. While we don’t know whether Leonardo actually ever realized such tests, which would have required a high

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