The Dirac® is our first double-action knife with a cover firing slider. We designed an updated ergonomic chassis with curved lines similar to the HALO® for a slightly different feel compared to our ...

For the first time, scientists have observed a collection of particles, also known as a quasiparticle, that's massless when moving one direction but has mass in the other direction. The quasiparticle, ...

The 1920s and 1930s were physics' heroic age. In the lecture halls and seminar rooms of central Europe, a cast of semi-legendary characters — Bohr, Heisenberg, Pauli, Schrödinger et al. — stormed the ...

Received wisdom holds that the notion of an 'aether' — a medium pervading all space, and the material 'substance' of the vacuum, if you will — was permanently relegated to the history books by ...

Getty Images English mathematical physicist Paul Adrien Maurice Dirac in conversation with Professor Dr Heisenberg (right). In science and philosophy alike, one enduring problem is why the universe is ...