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How to build a Tesla Coil
How green is my green electronics ? Now with improved threshold detection !
HDDJ: Turning an old hard disk drive into a rotary input device
48V Electric Flat Tracker
Temperature Sensor Tutorial!
Magnetic stripe card spoofer
CULTRIVOR - Custom 30 Knife Block
Handy Tricks 7: Bike Mods and Projects
How to refill a "disposable" Brita brand water pitcher filter with activated carbon.
The USB powered LED CD lamp
The Stirling Engine, absorb energy from candles, coffee, and more!
How to Build a Hank Drum
How to build a rain water collector
Need Free Water? Build a Rain Barrel
3D Magnetic Field Viewer
Screen Printing: Cheap, Dirty, and At Home
Solar Thermal Water Heater For Less Than Five Dollars
Building a Whiskey still
The Choprical Fish: a Human Powered Party Bike
How to Charge Any USB Device by Riding Your Bike
DIY Projector on the Cheap
A small low profile machine vise
Mechanical Dry Erase Board
High Voltage Multiplier
SinkScience with the Tesla CD Turbine
Make Your Own Biodiesel Processor
$30 High-Speed PCB Drill Press
Third Hand++: A multi-use helping hand for electronics and other delicate work.
Accurized Craftsman Drill-Press
Build a Variable High Voltage Power Supply
Torches and Firebreathing