Spy Science

Sh-h-h-h-h-h!! Top Secret... Crack the code of superspy science fun! Make your own spy sunglasses * Write messages with invisible ink * Hook up a secret alarm, and much more! Discover how spies use science to keep--or uncover--top secrets.Learn how to go under cover, master Morse code, and even builddevices to see and hear through walls! These and dozens of otherfun-filled activities give you an inside look at the science behindspy gadgets and tricks of the trade. All the activities arecompletely safe and can be done with everyday stuff from around thehouse.

Daring Disguises: Going Undercover as a Spy. Tricks of the Trade: Mastering Spy Skills and Techniques. Magical Gadgets: Building Spy Tools and Devices. "Goldilocks Calling Papa Bear:" Making Contact and Sending SecretMessages. Cipher Secrets: Making (and Breaking) Codes. Glossary. Index.