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#1 |
40th Level Warrior
![]() Join Date: October 29, 2001
Location: Western Wilds of Michigan
Posts: 11,752
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Get an onion!
Check the story here. Short version: Mix an onion and an energy drink and you can plug a USB cable into the onion and charge your iPod. Anyone willing to test it out? Where's Mythbusters? *edit* Hmmm.... apparently some folks have been checking it out, and while the science might be valid, the execution is apparently not. Here's one counterpoint, and I'm sure there are others.
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*B* Save Early, Save Often Save Before, Save After Two-Star General, Spelling Soldiers -+-+-+ Give 'em a hug one more time. It might be the last. Last edited by Bungleau; 11-30-2008 at 07:18 AM. |
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#2 |
Dracolisk
![]() Join Date: November 1, 2002
Location: Australia ..... G\'day!
Posts: 6,123
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I can't believe you let your guard against bull.hit down there Bung
![]() mind you I get sucked in now and then by some photoshop or trick photography, the net is a dangerous place ![]()
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#3 |
40th Level Warrior
![]() Join Date: October 29, 2001
Location: Western Wilds of Michigan
Posts: 11,752
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Coming across it on "regular" media made it more plausible... but the BS detector kicked in almost immediately
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*B* Save Early, Save Often Save Before, Save After Two-Star General, Spelling Soldiers -+-+-+ Give 'em a hug one more time. It might be the last. |
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#4 |
Fzoul Chembryl
![]() ![]() ![]() ![]() Join Date: July 13, 2004
Location: Finland
Age: 36
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You'd need the right voltage to avoid frying the iPod, but that should be marked on it somewhere. Then it's just the matter of chaining enough onions, and maybe adding a resistor somewhere along the way for fine tuning.
Oh, and you need to stick two wires made of different metals into the onion. Copper and zinc are popular, but in theory, any two will do. Then the magic of chemistry will cause a difference in electrical charges between the wires, and if you connect them, current. That's how all batteries do it. *EDIT* According to Wikipedia, the USB specification allows for between 4.75V and 5.25V. And according to my good old high school chemistry book, a single copper-zinc pair gives 1.1V. So chaining five onions together would give us a theoretical maximum of 5.5 volts, which probably wouldn't start any fires. Probably. After that you'll just have to mutilate an USB cable and figure out which wires are for power.
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![]() Last edited by Iron Greasel; 12-01-2008 at 07:59 AM. |
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