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To power things, make your own battery. ... To see things at night, make your own flashlight. ... Make a Battery...
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www.pbs.org/weta/roughscience/discover/powerplant.html
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One easy solution would be to build a 1-foot by 1-foot box and fill it with a DieHard battery from Sears! Or fill it with as many 9-volt Duracells as you can and wire them together. But that probably violates the spirit of the contest. ... Make HSW your homepage...
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www.howstuffworks.com/question2.htm
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Batteries power the appliances you use daily. Check out battery experiments, the history of batteries, battery reactions and the chemistry behind battery power. ... If you look at any battery, you'll notice that it has two terminals. One terminal is marked (+), or positive, while the other is marked (-), or negative.
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www.howstuffworks.com/battery.htm
www.howstuffworks.com/battery.htm
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One easy solution would be to build a 1-foot by 1-foot box and fill it with a DieHard battery from Sears! Or fill it with as many 9-volt Duracells as you can and wire them together. But that probably violates the spirit of the contest. How ...
http://science.howstuffworks.com/question2.htm
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Attach the three prong plug to the severed battery charger. This makes for a more reliable battery charger as two prong plugs often don't make good contact. Plug the two prong plug into the inverter output socket and connect the inverter ... Making your own reflux column from a piece of old irrigation pipe or some tin cans...
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www.scienceinafrica.co.za/2008/february/backuppower.htm
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You will then tape each of the ends of wire onto the battery making sure that they wire is secured against the terminals of the battery so that there is a good connection on both ends of the battery. You now have your very own battery operated magnet to set forth in motion. ... How to Make a Pinecone Owl Refrigerator Magnet...
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www.associatedcontent.com/article/750725/how_to_make_yo...
www.associatedcontent.com/article/750725/how_to_make_your_own_battery_powered.html
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Choosing the Best Batteries: 2009 Battery Specifications Guide ... Joe Schwartz and Richard Perez design a battery and inverter backup power system for carrying you through pesky periods of utility ineptitude. The perfect beginnings of a renewable energy system.
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www.homepower.com/article/?file=HP89_pg60_Perez
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Investigate the probability of using other fruits and vegetables to make electricity. Measure the pH of each "battery" and see if there is a relationship between the pH of the juice and the amount of light that is produced.
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www.miamisci.org/af/sln/frankenstein/fruity.html
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