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Heat pump

A heat pump is a machine which moves heat from a low temperature reservoir to a higher temperature reservoir under supply of work.

Note: This article excerpts material from the Wikipedia article "Heat pump", which is released under the GNU Free Documentation License.

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last updated on 2014-10-31 at 10:22 pm EDT

U.S. Predicts Lower Heating Bills This Winter Due to Weather

U.S. Predicts Lower Heating Bills This Winter Due to Weather

TheStreet (Oct. 7, 2014) Cooler temperatures should cut heating bills this winter, as few expect the same harsh weather that chilled much of the nation last year. Low temperatures across the Midwest, South and East forced people to use more heat last winter and the price of some fuels soared because of shortages. This year everyone is likely to get a little break on their bills from the weather, and some residents will see substantial price declines too. Heating oil prices are the lowest they've been in four years, and propane prices have fallen far from their peaks last winter. Prices for natural gas and electricity should be higher this winter. But the combined 88% of U.S. households that rely on them for heat should still see lower bills because of lower demand, assuming the weather cooperates. Video provided by TheStreet
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Taxi Turns London Street Noise Into Music

Taxi Turns London Street Noise Into Music

Buzz60 (Sep. 24, 2012) A taxi in London is able to record street noises and convert them into original songs, then pump back the volume from speakers.
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Wedding Ring Heats Finger as Anniversary Reminder

Wedding Ring Heats Finger as Anniversary Reminder

Buzz60 (June 10, 2013) Alaska Jewelry makes a men's wedding band that heats up as the wedding anniversary approaches. It uses your own body heat to run an internal clock. Patrick Jones (@Patrick_E_Jones) has the rest.
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Graphene: The Material of the Future

Graphene: The Material of the Future

Deutsche Welle (Feb. 11, 2013) The EU has pledged a billion euros for research into graphene at a consortium of institutions across the continent. The amazing material is strong, flexible, an excellent conductor of electricity and heat. We visit a research team in Aachen to find out more. Some say graphene may well revolutionize computing, telecommunications, and engineering.
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