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Build a Lab Quality (ish) Distillation Apparatus.
How to Make a Still
Simplest Geiger Counter
Imprint invisible sound and radio waves onto your retina: Augmented reality with perfect alignment
$5 Static Electricity Generator
Make a small, but powerful 30KV Van De Graaff generator
The New and Improved Tin Can Microphone
433 MHz tape measure antenna -suits UHF transmitter tracking!
VHF-UHF RF Sniffer
Uses of Different Soldering Iron Tips
Master a perfect inline wire splice everytime
How to make a cheap Attiny Arduino Board
Accelerometer Shield for Physics Class and beyond
Girino - Fast Arduino Oscilloscope