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1. 1vote
   
   The Denver Post - Parents advocate dramatic changes at North High
   Added Aug 09, 2007 by tnikundiwe
   Denver Post article about Padres Unidos work at North High School
   tags: a360padres, community organizing, education organizing, parents, power, denver
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2. 1vote
   
   Freeplay Energy Plc. - Freeplay Self-Sufficient Products give you Freedom and Independence from Traditional Power Sources
   Added May 01, 2007 by msudra
   Freeplay Energy plc is the original and leading global brand of clean, dependable energy products. Freeplay Energy's clean, patented technology harnesses human, solar and rechargeable energy and converts it into electricity to power unique portable, consumer products replacing conventional disposable battery-powered systems that are environmentally toxic and expensive. The current product range includes radios, torches, lanterns, mobile phone chargers and standalone foot powered generators. Freeplay Energy's "Lifeline" radio is distributed throughout the developing world by The Freeplay Foundation (www.freeplayfoundation.org) and other AID and Humanitarian organizations such as Unicef and other United Nations' agencies.
   tags: crank, olpc, human power, freeplay, mit, $100, power, electricity
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3. 2vote
   
   deseretnews.com | Playing with energy: BYU students design toy that generates power
   Added Apr 23, 2007 by msudra and 1 other
   A team of Brigham Young University students has achieved a feat that has eluded soft drink and clothing manufacturers for years. BYU mechanical engineering students demonstrate their merry-go-round generator. The merry-go-round playground equipment, which will be used in Ghana, has two purposes: a play toy for children and a power generator that will provide electricity for remote schoolhouses throughout the country. (Stuart Johnson, Deseret Morning News) Stuart Johnson, Deseret Morning News BYU mechanical engineering students demonstrate their merry-go-round generator. The merry-go-round playground equipment, which will be used in Ghana, has two purposes: a play toy for children and a power generator that will provide electricity for remote schoolhouses throughout the country. They have found a way to harness the energy of youth. Six students from BYU's engineering department unveiled Tuesday a playground merry-go-round that generates electricity as it spins. The goal is to provide an inexpensive, simple power source for remote school houses in developing nations.
   tags: bu, olpc, mit, energy, power, electricity, solar
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4. 1vote
   
   A discussion of the meaning of "Effect Size" in statistical analyses
   Added Dec 21, 2006 by aseldow
   Effect size (ES) is a name given to a family of indices that measure the magnitude of a treatment effect. Unlike significance tests, these indices are independent of sample size. ES measures are the common currency of meta-analysis studies that summarize the findings from a specific area of research. See, for example, the influential meta-analysis of psychological, educational, and behavioral trea
   tags: effect size, stats, statistices, analysis, es, power, r, cohens d
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