With this fun challenge, brought to you in partnership with the Science Museum Group, you and your child can learn how to make a cipher wheel together and use it to send secret messages to one ...

Each time the cipher clerk keyed a letter, the right wheel moved on mechanically one place and, as explained above, from time to time the center and left wheels also moved. As each new letter (e.g ...

Mathematically this can be represented by: ; on the sending side, and , on the receiving side. Figure 1 shows a simple cipher wheel, and an example of the shift. All one needs to do is align the ...

It's possible to make a 'cipher wheel' that represents how many steps shifted a cipher is, making it a little easier to translate an encrypted message back into something readable. You can ...