Tell us about yourself!
Cheap/free capacitor bank and charger
Eat on $3 a day
Make a Joule Thief
Build a simple Marx Generator
Iron Man Inspired Repulsor Beam Blaster V1.0
The SteamRoller Riding Contraption
Save $200 in 2 minutes and have the worlds best writing pen
Acoustic Vulcan lyre
Make a Two Bladed Pocket Knife
Separate Hydrogen and Oxygen from Water Through Electrolysis
How to build a thruster for a homemade submersible or ROV
The Manta Drive: proof-of-concept for an ROV propulsion system.
Simple solar powered pocket submarine with depth control.