Download Ebook Secret Codes & Number Games: Cryptographic Projects & Number Games for Children Ages 5-16, by Dr. Dev Gualtieri Ph.D.
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Secret Codes & Number Games: Cryptographic Projects & Number Games for Children Ages 5-16, by Dr. Dev Gualtieri Ph.D.
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Children enjoy making and sending secret messages. Secret message making, called cryptography, has become much more interesting with the advent of computers and the Internet. It's interesting to learn the basics and understand what's happening "under the hood" of cryptographic applications. This book has a spectrum of content that's interesting to children of all ages. It gives instructions on how to encode messages in a variety of simple and complex ways. Children can create messages using traditional ciphers, some used for thousands of years. Messages can be coded through conventional techniques, such as Morse Code, semaphores, and Braille, but messages can be encoded also as music, pigs and flowers. Advanced cryptography uses a lot of mathematics, but this book shields the younger readers from most of the math. However, a few interesting number games are included, and ways to create art from words and phrases.
- Sales Rank: #1140115 in Books
- Published on: 2014-12-20
- Original language: English
- Dimensions: 10.00" h x .22" w x 8.00" l,
- Binding: Paperback
- 90 pages
About the Author
Dev Gualtieri received his PhD in 1974 and had a thirty-five year research career in physics and materials science. He is listed as an inventor on thirty-five US patents, and on numerous international patents. His eclectic research interests included superconductivity, chemical thermodynamics, magnetism, electronics and computer science. At one time, he was an internationally recognized expert in crystal growth. Dr. Gualtieri is now retired, and he resides in Northern New Jersey with his wife, Anne. They have a son and daughter who reside with their spouses in Pennsylvania.
Most helpful customer reviews
1 of 1 people found the following review helpful.
Overall good, but perhaps could be improved
By Stephen Warren
Overall good. The middle section of the book mainly iterates through a variety of semantically equivalent substitution cyphers like Morse, music, semaphores, etc. so is a bit repetitive for me. I haven't yet gone through the later pages with my children, but at a very quick glance I suspect the complexity ramps up pretty quickly at the end. Overall worth it, but it might be better if the complexity ramp was a bit more linear somehow.
The book is printed on large paper. Perhaps that's good for the kids its aimed at, but I can't help wondering if it wouldn't work just as well if it was a bit smaller?
0 of 0 people found the following review helpful.
Five Stars
By DM
Kids (and I) having a blast with codes!!
0 of 0 people found the following review helpful.
Five Stars
By Hans Tammen
great!
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