Posts Tagged ‘engine’

What is Horsepower

What is Horsepower

The term horsepower is generally defined as, “the work done at a rate of 550 foot-pounds per second”. However, there is no standard definition for the term horsepower. It is the British unit of power, also known as imperial unit. The unit is not in use today, since it was replaced by watt, an SI unit. SI is an…

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Heat engine may be world’s smallest

Heat engine may be world’s smallest

Physicists in the Netherlands have built a heat engine that might be the tiniest ever created. Based on “piezoresistive” silicon, and smaller than a typical biological cell, the engine could find applications in watch mechanisms or as a mechanical sensor.

Engines come in a variety of sizes. The smallest include biological engines such as the flagella that bacteria use for…

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