Tell us about yourself!
did you make them spin with compressed air? You are very creative this should've been in stores, thanks for sharing
Have you patent it? Because you would loose the right by publically posting it..Shame because this is would be fascinating, too much for the uninformed buyer.
High Voltage Power Supply From Laser Printer
Helical Vawt (blades and charge controller)
no long build + no transformer = great hot wire foam cutter
Microwave isolation transformer
Arduino Controlled Solar Fountain
Simple (and dirty) Pulse Width Modulation (PWM) With 555 Timer
Homemade center finder tool, quick, cheap, easy.
How To Make an Optocoupler
Home Made DIY Jigsaw Table with Blade Guide for under £30
Making Rheoscopic Fluid
Nice Bench Power Supply
HOW TO READ CIRCUIT DIAGRAMS
Solar Supercapacitor Charger and LED Jar
Survival USB Charger: Use any power source to charge your smartphone
The Never Ending Top...until the battery dies
New way to spin a spinning top 5,000 rpm
The Smallest Workshop in the World
Spinning Airplane Mobile - Updated Aug 2013
light decting circuit
A cheap & useful cutting table