TechLib - Electronic Experimenter Records
A technical library for the hobbyist and experimenter. - Charles Wenzel
- World's Smallest Geiger Counter
- Karen's Mic. Input Telemetry Device
- Temperature Controlled Ovens
- Two-Transistor Atomic Frequency Standard
- Super-Sensitive Ionization Chamber
- Cockcroft-Walton Diode Voltage Multipliers
This will be a collection of unusual ideas for somewhat difficult science fair projects - hopefully not a repeat of other sources.