In clear English, 66 illustrations, and a minimum of math, this booklet details the radical radio technology of Nikola Tesla. ... It also reviews the early history of radio technology from the Tesla perspective.... Here is Tesla's peculiar radio in the context of the conventional.... Modern radio took a lot from Tesla, but what did it ignore? ... Early elemental wireless devices like Tesla's and others shown here are fascinating and worthy of study. These devices inspire DIY projects, and they remind us that powerful radio technologies can be amazingly simple and accessible.... Tesla's potent transmitter produced high-voltage, sudden-pulse disturbances of low frequency conducted through the ground. His wireless power works on the very same principles. This book is organized according to the principles of radio transmitting and receiving honored by Tesla: Contents Introduction 1.High Voltage, Sudden Pulse 2. Low Frequency 3. Conduction through the ground 4. Resonance 5. Sensitive Device 6. Aerial Capacity Also in these pages: spark reconsidered grounding rediscovered low frequency revived lament on solid state underground radio license-free radio the suppression of amateur radio carrier-current radio radio-free energy...