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Camp Hot Water Heater with an easy to use Dispensing Feature
Building a Vertical Axis Wind Turbine ( VAWT )
VAWT Lenz type. Stage 1. Converting wind power to rotary motion.
How to- Wind Turbine Made from Scrap Metal...
Five minute solar phone charger
how to make a bowl/frisbie out of an old record
Battery voltage monitor
Get Big Money for Scrap Batteries
Nixie Clock Housing
Fancy Shmancy In-box
Scrap Wood Cutting Board
Making an end-grain cutting board - I made it at Techshop
$3 Emergency Solar Radio
Creating Nighttime Photos
Portable workbench for a bicycle.
Tim's 5W Solar Charge,12VDC 4.5AH Portable Power Supply.
How to Capture the Sun in a Jar!
Downloading NOAA satellite images cheaply and easily