By contrast it is extremely easy to generate numbers that look random but in fact follow a predictable sequence. A shift register with feedback through an XOR of its output and one of its stages ...

However, in random sequences, this tendency leads to the erroneous detection of clusters. Human beings are hardwired to look for patterns – so much so that we often discern them where no pattern ...

With the random sequence approach, the decoding endeavor was almost completed, but some work remained to be done. Thus, in 1965, H. Gobind Khorana and his colleagues used another method to further ...