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700-Lumen LED Bike Light
Sponge + Ferric Chloride Method -- Etch PCBs in One Minute!
How to recover an old bicycle seat
Used Tired Raised Garden & Tree Ring
How To Make Faux Rocks
Replace Low Voltage Bi-Pin Halogens with LEDs
D.I.Y. Solar Setup.
WIFI Antenna Hack!
Power LED's - simplest light with constant-current circuit
Aluminum Can, Saltwater and Charcoal Battery
How to Charge Any USB Device by Riding Your Bike
Self Watering Garden - Using recycled water from an air conditioner
Contactless dynamo powering bike safety lights
5-minute Ice Cream
Convert an ATX Power Supply Into a Regular DC Power Supply!
Wind Generator from old scanner [updated]
S.P.R.E.E. (Solar Photovoltaic Renewable Electron Encapsulator), a Compact, Durable, and Portable Solar Energy Generator
How to Make a Synthetic Diamond
Artisan Bread in Five Minutes a Day
How to make flash drive that copy's users files silently and automatically
Hydroponic Food Factory
Increase battery life for electronics
Simple LED Bike Lights