LEVERSWHEELSFIND OUT MOREPULLEYSSCREWSGEARSFIND OUT MOREIn science, a machine is any device that changes a force into a bigger or smaller force, or alters the direction in which a force acts.…
Bring on the MachinesWeatherLet's See How It's DoneNow for the Real WorkGoing Into the Upper AirBring on the MachinesWhat About the Five-Day Forecast? Computers make forecasting easier, although not…
(Encyclopedia) machine, arrangement of moving and stationary mechanical parts used to perform some useful work or to provide transportation. From a historical perspective, many of the first machines…
WHAT IS MECHANICAL ADVANTAGE? HOW IS A MACHINE’S EFFICIENCY MEASURED? LEVERSPULLEYSINCLINED PLANESGEARSFIND OUT MOREFrom can openers to cranes, machines make work easier. Simple machines include…
politically active rock group The Grammy award-winning Rage Against the Machine established a reputation for speaking against social and political injustices. Formed in Los Angeles in 1991, the…
Putting the Machines to WorkWeatherPrediction by NumbersRichardson's ExperimentPutting the Machines to Work One of the great contributions to the second Renaissance in meteorology was mathematician…
(Encyclopedia) machine tool, power-operated tool used for finishing or shaping metal parts, especially parts of other machines. An establishment that is equipped with such tools and specializes in…
(Encyclopedia) sewing machine, device that stitches cloth and other materials. An attempt at mechanical sewing was made in England (1790) with a machine having a forked, automatic needle that made a…
(Encyclopedia) vending machine, coin-operated, automatic device for selling goods. Many vending machines are capable of making change, and some of the more sophisticated ones accept paper money or…
(Encyclopedia) voting machine, instrument for recording and counting votes. The voting machine itself is generally positioned in a booth, often closed off by a curtain to assure secrecy for the voter…
