Freedom sounds great as an idea. Who doesn’t want to be free to do what they want? But when you take a closer look, freedom becomes more complicated. What does it really mean to be free — and how free ...

What is the Valley Degree of Freedom? The valley degree of freedom is a quantum property of electrons in certain materials, where the energy bands have multiple minima or "valleys" in the momentum ...

Face gear transmission is a kind of space-meshing mechanism that is mainly used in the field of aviation. Compared with traditional transmission, it has the advantages of stability, reliability, low ...

DT Swiss has launched its answer to pedal kickback with the arrival of Degrees of Freedom (DF) anti-pedal kickback system. With DF allowing the freehub to rotate a specific range before engaging, the ...