Just 100 years ago, on 9 July 1925, Werner Heisenberg wrote a letter to his friend, colleague and fiercest critic, Wolfgang Pauli. A few weeks earlier, Heisenberg had returned from the North Sea ...

An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and ...

Researchers have developed an ultra-thin drumhead-like membrane that lets sound signals, or phonons, travel through it with ...

Some atomic nuclei are not shaped like rugby balls, as a longstanding theory suggests, but are instead somewhat flattened, ...

Researchers at the Niels Bohr Institute, University of Copenhagen, have developed a tunable system that paves the way for ...

Ettore Majorana vanished in March 1938. According to Frank Close in Destroyer of Worlds, the 31-year-old Sicilian physicist ...