DR. NORMAN CAMPBELL, in his recent book, “Measurement and Calculation,” laments the absence of a name for the C.G.S. unit of acceleration, and the phrase “centimetres per second per second” is ...

You're going at the speed limit down a two-lane road when a car barrels out of a driveway on your right. You slam on the brakes, and within a fraction of a second of the impact an airbag inflates, ...

Addressing the increasing demand to accurately measure acceleration in smaller navigation systems and other devices, researchers have developed an accelerometer a mere millimeter thick that uses laser ...