approved
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approved
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Basic Battery Circuitry
from http://www.monkeysee.com
tags: circuitry, current, film canister, more...volt, led, parallel, series, voltage, experiment, circuit, science, battery, potato, lemon less
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approved
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How 2.0: Digital Wall Harp
from http://www.5min.com
tags: synthesizer, reality tv, midi, more...makeover upgrade, iheartswitch, alison lewis, verizon, my home 2.0, fios, 2pointhome, fiber optic, circuitry, infrared, hd, gadget, tech, music less
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approved
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approved
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