Engine
hideAn engine is a mechanical device that produces some form of output from a given input. An engine whose purpose is to produce kinetic energy output from a fuel source is called a prime mover; alternatively, a motor is a device which produces kinetic energy from other forms of energy (such as electricity, a flow of hydraulic fluid or compressed air). A motor car (automobile) has a starter motor and motors to drive pumps (fuel, power steering, etc) – but the power plant that propels the car is called an engine. The term 'motor' was originally used to distinguish the new internal combustion engine -powered vehicles from earlier vehicles powered by a steam engine (as in steam roller and motor roller).
Military engines included siege engines, large catapults, trebuchets and battering rams.
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News tagged with engine
Nanoparticles go platinum: NCEM instruments provide key images
Dec 21, 2009 |
4.7 / 5 (3) |
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At Berkeley Lab's National Center for Electron Microscopy it was revealed that single-stranded DNA can disperse bundles of single-walled carbon nanotubes into individual tubes and serve as guideposts for synthesizing ...
Google, Bing deals make Twitter profitable: BusinessWeek
Dec 21, 2009 |
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Twitter has reached profitability after signing deals with Google and Microsoft to make the micro-blogging service searchable on the Internet, BusinessWeek magazine reported on Monday.
Final launch of Ariane 5 GS completes busy year
Space & Earth / Space Exploration
Dec 21, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Last week, an Ariane 5 GS launcher lifted off from Europe’s Spaceport in French Guiana on a journey to place the French military reconnaissance satellite Helios-2B into Sun-synchronous polar ...
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New materials designed to deal with hypersonic and supersonic hot stuff (w/ Video)
Dec 24, 2009 |
4.7 / 5 (9) |
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University of Queensland researchers are testing new materials to withstand the extreme heat experienced by hypersonic vehicles in flight so they can fly for substantially longer.
NREL Evaluates UPS Hybrid-Electric Van Performance
Dec 22, 2009 |
3.3 / 5 (3) |
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(PhysOrg.com) -- The U.S. Department of Energy's National Renewable Energy Laboratory (NREL) has collected and analyzed fuel economy, maintenance and other vehicle performance data from UPS’s first generation hybrid diesel ...
China issues new rules on Internet domain names
Dec 22, 2009 |
5 / 5 (1) |
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China's Internet watchdog issued a new set of rules on domain name registration this week in a bid to curb pornography and illegal content.
Immersive Game System Allows Physical Interaction Between Players
Technology / Computer Sciences
Dec 22, 2009 |
4.6 / 5 (19) |
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(PhysOrg.com) -- With a new immersive multiplayer game system, researchers are further blurring the line between gaming and the real world. Using a mouse and keyboard sounds kind of quaint compared to the ...
Would a Google purchase of Yelp draw regulatory interest?
Dec 21, 2009 |
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Google Inc.'s reported plans to acquire local-listings service Yelp may face difficulties, with regulators attuned to the Mountain View, Calif.-based company's established dominance of the Internet-search and advertising ...
Research in aircraft control systems and robotics helps improve flight safety
Dec 18, 2009 |
2 / 5 (1) |
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(PhysOrg.com) -- At first blush, it may not seem like robots and aircraft control systems have anything in common. When you put them together, however, you arrive at the core of Guangjun Liu’s unique research ...
Computer-simulated Thunderstorms with Ice Clouds Reveal Insights for Next-generation Computer Models
Space & Earth / Earth Sciences
Dec 18, 2009 |
4.2 / 5 (5) |
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(PhysOrg.com) -- Computer simulations of thunderstorms using data from a field campaign in Australia confirm that the "ice-phase" cloud processes in climate models contribute most to the wide discrepancy between ...
French court orders Google to stop scanning French books
Dec 18, 2009 |
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A French court on Friday told Google that it cannot digitise French books without publishers' approval and ordered the online giant to pay 300,000 euros (430,000 dollars) in damages.
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