Sure you could take $2.50 and just buy some batteries, but how much fun would that be? Watch this video to learn how to make a coin battery.
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Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
How To:
Hook up your exercise bike to Google Maps
How To:
Light a light bulb with a potato battery
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
Build a power supply for electroluminescent (EL) wire and displays
How To:
This DIY Illuminated Isomorphic Keyboard Changes Colors as You Play Music
How To:
Satisfy Your Need for Speed with This DIY Arcade-Style Racing Cockpit
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How To:
Hack Christmas Lights for Custom Holiday Lighting Patterns
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News:
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How To:
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Make a DIY hologram illusion with a monitor
3 Comments
Those howcast guys really want to get us to waste our money.
cool trick to show your freinds bad way to buy batteries lol
trippy
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