Quantum physics just delivered a full-circle moment a century in the making. A team of researchers at University of Science and Technology of China (USTC) has reconstructed one of Albert Einstein’s ...

Scientists in China have performed an experiment first proposed by Albert Einstein almost a century ago when he sought to disprove the quantum mechanical principle of complementarity put forth by ...

Ever since Max Planck introduced the idea of the quantum to the world, physicists have argued about whether reality is more like sand or water. Planck’s famous 1900 discovery that energy is grainy — ...