Secrets of Steganography
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Sometimes, the best hiding place is right in plain sight. Find out about steganography, the practice of concealing messages right under others' noses. See how it links with cryptology, the science of secret communication, and how the two have been used in some of history's biggest moments.
Learn about invisible inks, the Cardano Grille, the use of microdots in WWI, and the butterfly maps of Lord Baden-Powell. And follow steganography into...
Format:Library Binding
Language:English
ISBN:1728404622
ISBN13:9781728404622
Release Date:August 2021
Publisher:Lerner Publications (Tm)
Length:32 Pages
Weight:0.52 lbs.
Dimensions:0.3" x 7.1" x 9.1"
Age Range:8 to 12 years
Grade Range:Grades 3 to 7
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