News tagged with temperature difference

MEMS device generates power from body heat

( -- In an attempt to develop a power source that is compact, environmentally friendly, and has an unlimited lifetime, a team of researchers from Singapore has fabricated an energy harvesting device that generates ...

dateApr 29, 2010 in Engineering feature
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Moon's shadow, like a ship, creates waves

During a solar eclipse, the Moon's passage overhead blocks out the majority of the Sun's light and casts a wide swath of the Earth into darkness. The land under the Moon's shadow receives less incoming energy than the surrounding ...

dateOct 05, 2011 in Earth Sciences
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Explained: Thermoelectricity

( -- Thermoelectricity is a two-way process. It can refer either to the way a temperature difference between one side of a material and the other can produce electricity, or to the reverse: the way applying an ...

dateApr 27, 2010 in General Physics
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Temperature differences give rise to electricity

More than half of today's energy consumption is squandered in useless waste heat, such as the heat from refrigerators and all sorts of gadgets and the heat from factories and power plants. The energy losses are even greater ...

dateNov 09, 2011 in Engineering
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