Researchers have uncovered key features of the dynamics of "stick-slip," a form of jerky motion responsible for squeaks and squeals in phenomena from door hinges to shifting tectonic plates. In this ...

The slow squeak of a door hinge at 1 a.m. or the screech of a subway train taking a sharp turn may send a shiver down your spine, but why do these noises happen? Why does metal squeak? It turns out, ...

When shoes slide across a floor, wave-like deformations of the sole can generate squeaking. The pitch of the squeak depends on the rate at which deformations are generated. Bart Weber is at the ...