Man, the electronics-hobbyist scene looks a little
freakier every time I drop by and stare at it.

http://www.robotbooks.com/electronics.htm
'Electronic Gadgets for the Evil Genius : 21 Build-It-Yourself Projects' 'Electronics fans have waited a long time for this book. Not since 1983 has author Bob Iannini published a collection of his amazing projects – all of them fun, easy, and inexpensive to make at home and, best of all, seriously exciting and impressive! Iannini takes the stuff of science fiction and science future and brings it down to size for the home hobbyist. Full of easy-to-follow plans and clear diagrams and schematics, Electronic Gadgets for the Evil Genius gives you:
* llustrated instructions and plans for amazing pre-tested projects advanced enough for sophisticated electronics enthusiasts but described in sufficient detail to be built easily by newcomers
* Explanations of the science and math behind each project
* Frustration-free plans – parts are listed, along with sources – and most of these projects can be built for $100 or less
This book equips you with complete plans, instructions, parts lists, and sources for these wonderful projects:
Electromagnetic Mass Driver and launcher
Pyrotechnic Blaster and shock wave pulser
Magnetic Pulse Can Crusher
Robotic Circuits Disabler with Electromagnetic Pulse Generator
Object Catapult
Laser Beam Cutter
Body Heat Detector
Lightning Bolt Generator
Object Levitation Device
Infrared Viewer
Laser Listening System
Traveling Plasma Wave Generator
Multi Vortex Plasma Tornado
Working Star Wars-like Light Saber
Ultrasonic Microphone
Marx Impulse Generator
Ultrasonic shock projector
Sonic Phaser Cannon
Ion ray projector
Ultra bright green laser
Centrifuge Design
Vortex Smoke Ring Machine
Electronic Ventriloquism System
Several Tesla Coil Projects
You may also be interested in: 123 Robotics Experiments for the Evil Genius Electronic Circuits for the Evil Genius Electronic Projects from the Next Dimension : Paranormal Experiments for Hobbyists
*Paranormal electronics. Oh yeah. There's
a field with a future, I reckon.