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Powers of ten

An amazing optics demonstration, showing views from an astronomic scale down to a sub-atomic view, where the scale factor alters by a power of ten each time.

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http://micro.magnet.fsu.edu/optics/tutorials/java/powersof10/

For a DC circuit the power is P=VI, and this relationship also holds for the instantaneous power in an AC circuit. However, the average power in an AC circuit expressed in terms of the rms voltage ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/electric/powfac.html#c1

Power

The site explains power, watts and the amount of power allow in some appliances and their units.

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http://www.purchon.com/physics/power.htm

The Physics that Powers Automobiles

Detailed information and explanations on the workings of a car, from the brakes to automatic transmission. Includes clear diagrams.

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http://library.thinkquest.org/C007574/main.htm

Luminous Power

Page from Hyperphysics explaining radiant power, luminous power and the unit lumens.

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http://hyperphysics.phy-astr.gsu.edu/hbase/vision/lumpow.html#c1

Control The Nuclear Power Plant

The control-room operators of the Karnobyl nuclear power plant are telecommuting and are running the plant through the Web. Can you control the power station? This is a good program showing how a ...

Rating:

http://www.ida.liu.se/~her/npp/demo.html

How Power Paper Will Work

A brief description of how Power Paper Will work. This site is part of Marshall Brain's HowStuffWorks.com. Information about future developments of Power Paper- a company based in Israel.

Rating:

http://www.howstuffworks.com/power-paper.htm

How PC Power Supplies Work

A brief description of how PC Power Supplies work. This site is part of Marshall Brain's HowStuffWorks.com. More content on later pages about the sitting and position of power supplies in PCs

Rating:

http://www.howstuffworks.com/power-supply.htm