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“During this period I attended two sessions of the Michigan summer school at which Schwinger (1948) and Feynman (1949) described their respective reformulations of QED. Schwinger’s was deeper and more
What’s the meaning of quantum mechanics? This question has puzzled physicists (and even mathematicians) for almost a century, ever since the discovery of the strange and counterintuitive phenomena
Have you ever wondered how a simple stroll across a river could inspire a whole new branch of mathematics? That is exactly what happened in the 18th century, when a curious puzzle about the city of