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= Power generation by the human body =
 * If power is like the strength of a weightlifter, energy is like his endurance. Energy is a measure of how long we can sustain the output of power, or how much work we can do. Power is the rate at which we do the work
 * One common unit of energy is the kilowatt-hour (kWh). If we are using one kW of power, a kWh of energy will last one hour. If we use 10 kW of power, we will use up the kWh in just six minutes. 
 {{{
  BTU is the amount of energy needed to raise the temperature of 1 pound of water 1 degree F
  1 horsepower is equivalent to 746 watts
  One BTU is equal to 1,055 joules, or 252 gram-calories or 0.252 food Calories.
  Btu x 0.293 = W  ( kW x 3414 = Btu )
  One watt is equal to 1 Newton-meter per second (Nm/s).
  
 }}}
 * http://hypertextbook.com/facts/2003/WeiLiangMok.shtml
 * Measure your power output by running up a flight of stairs. Power (W) = (height of stairs (m) / Time to climb (s) ) * weight (N)
 * http://www.howstuffworks.com/framed.htm?parent=question658.htm&url=http://www.ent.ohiou.edu/~et181/hpv/hpv.html
 * http://science.howstuffworks.com/question658.htm
 * 1hp = 746watt {{attachment:hupgraph.gif}}
 * http://www.windstreampower.com/Human_Power_Generator.php
 * http://edition.cnn.com/2008/TECH/science/08/01/Human.power/index.html
 * [[http://news.discovery.com/tech/human-powered-gyms-do-double-duty.html|Gym Bike]]
 * 201309 - Converted exercise bike http://www.youtube.com/watch?v=mghM1gpQUyE 

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