So the next time you are trying to learn a difficult concept, once you feel a bit exhausted, get up and take a break instead of just powering through. If you get up and go for a walk, talk to a colleague, meditate or read a book, your mind will feel relaxed as it continues to process the problem in the background. This is often what leads to eureka moments. Archimedes was lying naked in his bathtub when he had the ‘Eureka!’ moment about the buoyancy of fluids, leading to the discovery of one of the most fundamental concepts of physics. Similarly, August Kekule dreamt about a serpent eating its
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