A nuclear engineer reacts to Veritasium’s explanation of entropy, exploring why this fundamental physics concept is often ...

Repetition doesn’t always have to be humdrum. In mathematics, it is a powerful force, capable of generating bewildering complexity. Even after decades of study, mathematicians find themselves unable ...

While usual gapless points that are not geometrically defective i.e. Dirac points (Left column) possess only eigenvalues within [0, 1] (Bottom Left), defective exceptional points (Right column) also ...

This figure shows that for the superposition state of many EPL, they represent an anisotropic measurement characteristic depending on the long axis and short axis of the corresponding ellipse. The ...