This innovative follow-up to the bestselling "Electronic Gadgets for the Evil Genius" features 40 new projects, designed to appeal to a wide range of hobbyists! This much anticipated follow-up to the wildly popular cult classic "Electronic Gadgets for the Evil Genius" gives basement experimenters 40 all-new projects to tinker with. Following the tried-and-true "Evil Genius" series format, each project includes a detailed list of materials, sources for parts, schematics, documentation, and lots of clear, well-illustrated instructions for easy assembly. The convenient two-column format makes following step-by-step instructions a breeze. Readers will also get a quick briefing on mathematical theory and a simple explanation of operation along with enjoyable descriptions of key electronics topics such as various methods of acceleration, power conditioning, energy storage, magnetism, and kinetics. Projects include building: lasers, magnetic cannons, dog bark controlling devices, electronic ventriloquists, light saber recycling stand, automotive neon, sonic insect repellents, earthquake detector, ozone water treating device, and snooper phones.