MOST methods of measuring kinetic friction merely record the average force necessary to maintain sliding. On theoretical grounds, and from the results of some earlier more primitive experiments ...

Earthquakes happen every day all over the world, along both tectonic plate edges and interiors. Earthquakes occur along faults, which are fractures between blocks of rock that allow the blocks to move ...

Constructive plate margins close constructive plate marginAn ... Fault where the Pacific and the North American plates are sliding past each other.

The Hadean protocrust formation and early plate tectonics challenged by new study, questioning geological assumptions.

Phillies take a 2-0 lead over the Rockies thanks to Kyle Schwarber sliding home.

Four types of plate tectonic activity are demonstrated ... occurs where two plates slide against each other. But rather than sliding smoothly, the plates build up tension, then release the tension ...