Do you know how to make something that can tell whether the $20 bill in your wallet is a fake, or how to generate battery power with simple household items, or how to create your own home security system? Science-savvy author Cy Tymony does. And now you can learn how to create these things and more than 40 other handy gadgets. More than a simple do-it-yourself guide, this quirky collection is a valuable resource for transforming ordinary objects into the extraordinary. With over 80 solutions and bonus applications at your disposal, you will be ready for almost any situation. Included are survival, security, self-defense, and silly applications that are just plain fun. Amaze your friends by: transforming a simple FM radio into a device that enables you to eavesdrop on tower-to-air conversations; creating your own personalized electronic greeting cards; making a compact fire extinguisher from items typically found in a kitchen pantry; thwarting intruders with a single rubber band. By using run-of-the-mill household items and the easy-to-follow instructions and diagrams within, you'll be able to complete most projects in just a few minutes.--From publisher description.