A collection of electronics projects. These include: a negative ion generator; a bio-feedback and lie detector device; a hydrophone; a Geiger counter; an expansion cloud chamber; an air pollution monitor; and oil and gas from coal.

Rese�a del editor

If you're an electronics hobbyist with an interest in science, or are fascinated by the technologies of the future, you'll find Electronic Projects for the 21st Century a welcome addition to your electronics library. It's filled with nearly two dozen fun and useful electronics projects designed to let you use and experiment with the latest innovations in science and technology - innovations that will carry you and other electronics enthusiasts well into the 21st century! Electronic Projects for the 21st Century contains the expert, hands-on guidance and detailed instructions you need to perform experiments that involve genetics, lasers, holography, Kirlian photography, alternative energy sources, and more. Electronic Projects for the 21st Century gives you all the information you need to create the following: Biofeedback/Lie-Detector Device ELF Monitor Geiger Counter MHD Generator Expansion Cloud Chamber Air Pollution Monitor Laser Power Supply for Holography Pinhole Camera Synthetic Fuel from Coal Energy Production from Plants and Wood AND MUCH, MUCH MORE!

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