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DK Science: Machines

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.…

Rage Against the Machine

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…

Weather: Bring on the Machines

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…

machine

(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…

DK Science & Technology: 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…

Weather: Putting the Machines to Work

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…

machine tool

(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…

machine translation

(Encyclopedia) machine translation, in computational linguistics, publishing, and other fields, the use of computers to conduct large-scale translation operations. The electronic translation of one…