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In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet.


DIY Cipher wheel, with templates. It uses a pin and eraser to spin the wheels, but think you can use a butterfly clasp just as well.


Gravity Falls ok for those who don't know the code and the end of the episode there is some letters so every letter you do 3 letters back and there's a code some r numbers so u do the alphabets number


Sequence of 10 lessons for late KS2 / Y7 introducing Python. Introduces interation and logic tests. Really cool lesson with kids programming the Caesar cipher.