Scientists in this east China metropolis have discovered the decoding method for brain ciphers and brain coding units. Their research was published in the April 2005 issue of the Proceedings of the ...
A newly invented cipher may shed light on how the mysterious Voynich manuscript was made in medieval times.
In Part I, you broke a simple cipher. Now try creating a more complex cipher. Cut out the NOVA Decoder Ring and NOVA Cipher Code Ring and the window marked INDEX. You are now going to put this simple ...