The best-selling "Evil Genius" format provides hobbyists with a fun and inexpensive way to learn bionics via 25 complete projects. Once the focus of popular 70's TV, bionics (integrating mechanical and electronic materials with living matter) are being used more than ever to replace or repair physiological or anatomical functions or disorders. Projects include: an electric fish, electronic nerve simulator, electronic insect repellent, bat ear, a lie detector, and more. Designed for safety - there are no dangerous projects or parts required. Necessary electronic components and tools are listed with each circuit diagram. Each project is customizable so readers can experiment and be as sophisticated as their imaginations allow them to be.