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Convert an ATX Power Supply Into a Regular DC Power Supply!
Motion Controlled Robotic Arm
CNC machine for shaping large pieces of polystyrene foam
In-Home Bike Rack
Tailor your jacket sleeves
Cheap drafting table made from plywood
Mini Coffin Guitar Amp (on battery)
Sponge + Ferric Chloride Method -- Etch PCBs in One Minute!
How To Build A Solar Panel
Build an Amazing Tesla CD Turbine
DDR dance pad
Low-Cost Multi-touch Whiteboard using the Wii Remote
How to have fun with Arduino (and become a Geek in the process)
DIY bicycle trailer
DIY Human Powered Wooden Hydrofoil - The "Hydrothopter"
Bread Board from IDE Cables
How to Get a Free Yacht
Build a simple Marx Generator
Homemade Guitar Hero World Tour Cymbals (New and Improved!)
Build Your Own Electric Guitar!
Step By Step Plans to Building a 250,000 Volt Tesla Coil. (REVISED VERSION)
Make your own Lightning Globe!
500,000 volt Van de Graaff Generator Using Cheap Parts
The Stirling Engine, absorb energy from candles, coffee, and more!