Humans can hear the difference between hot and cold water when poured. In an experiment, scientists found that a deep neural network computer program could learn to tell the difference, too. This ...

Power is the most important thing in road bicycle racing like the Tour de France. If you want to move along on a bike at a constant speed, you have to use energy. There are no free rides. But ...

Holger Müller is in the Department of Physics, University of California, Berkeley, Berkeley, California 94720, USA. However, the recoil energy is tiny and therefore hard to measure. Laser-based ...