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In general, the concept of energy refers to "the potential for causing changes". The word is used in several different contexts. The scientific use has a precise, well-defined meaning, whilst the many non-scientific uses often do not. (see here.)

In physics, energy is the ability to do work and has many different forms (potential, kinetic, electromagnetic, etc.) No matter what its form, physical energy has the same units as work; a force applied through a distance. The SI unit of energy, the joule, equals one newton applied through one meter, for example.

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Hey Yall Im Back Electricity Went Out On The Hole Block Yesterday..
The Copenhagen wheel will generate electricity, communicate with your iPhone http://bit.ly/579gNT
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The Copenhagen wheel will generate electricity, communicate with your iPhone http://bit.ly/579gNT
The Killer App of 1900. Compares electricity and broadband Internet. Good question: Is broadband an inherent right? http://bit.ly/7owArM
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The Killer App of 1900. Compares electricity and broadband Internet. Good question: Is broadband an inherent right? http://bit.ly/7owArM
#ultimatechristmaswish constant n steady electricity...haha....dt'll b d dae
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#ultimatechristmaswish constant n steady electricity...haha....dt'll b d dae
USDA announces agreement with dairy producers to cut GHG by 25% by 2020 by turning manure into electricity http://bit.ly/4ULx7P
treenae (Treena Colby) Wed, 16 Dec 2009 18:09:20 -0000
USDA announces agreement with dairy producers to cut GHG by 25% by 2020 by turning manure into electricity http://bit.ly/4ULx7P
Installing 1 dimmer in every US home in place of a light switch would save $30 million in electricity per yr & CO2... http://bit.ly/7LFrIh
HiTechSystems (Hi-Tech Systems) Wed, 16 Dec 2009 18:05:47 -0000
Installing 1 dimmer in every US home in place of a light switch would save $30 million in electricity per yr & CO2... http://bit.ly/7LFrIh

 
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