Computer Sciences

New algorithm discovers language just by watching videos

Mark Hamilton, an MIT Ph.D. student in electrical engineering and computer science and affiliate of MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL), wants to use machines to understand how animals communicate. ...

Energy & Green Tech

Ammonia-fueled marine engine cuts CO₂ emissions by 50%

MW-class marine engine combustion technology that uses ammonia—a future renewable energy source—as fuel will be applied on-site for the first time in Korea. A ship engine fueled by ammonia is expected to accelerate its ...

Engineering

Researchers demonstrate the first chip-based 3D printer

Imagine a portable 3D printer you could hold in the palm of your hand. The tiny device could enable a user to rapidly create customized, low-cost objects on the go, like a fastener to repair a wobbly bicycle wheel or a component ...

Engine

An 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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