15 Dangerously Mad Projects for the Evil Genius (repost)

UNLEASH YOUR INNER MAD SCIENTIST!
This wickedly inventive guide explains how to design and build 15 fiendishly fun electronics projects. Filled with photos and illustrations, 15 Dangerously Mad Projects for the Evil Genius includes step-by-step directions, as well as a construction primer for those who are new to electronics projects.

Using easy-to-find components and equipment, this do-it-yourself book shows you how to create a variety of mischievous gadgets, such as a remote-controlled laser, motorized multicolored LEDs that write in the air, and a surveillance robot. You'll also learn to use the highly popular Arduino microcontroller board with three of the projects.

15 Dangerously Mad Projects for the Evil Genius:
Features step-by-step instructions and helpful illustrations
Covers essential safety measures
Reveals the scientific principles behind the projects
Removes the frustration factor–all required parts are listed, along with sources

Build these devious devices to amaze your friends and confound your enemies!
Coil gun
Trebuchet
Ping pong ball minigun
Mini laser turret
Balloon-popping laser gun
Touch-activated laser sight
Laser-grid intruder alarm
Persistence-of-vision display
Covert radio bug
Laser voice transmitter
Flash bomb
High-brightness LED strobe
Levitation machine
Snailbot
Surveillance robot

Each fun, inexpensive Evil Genius project includes a detailed list of materials, sources for parts, schematics, and lots of clear, well-illustrated instructions for easy assembly. The larger workbook-style layout and convenient two-column format make following the step-by-step instructions a breeze.