This Chinese ‘Book of Changes’ called the I Ching uses Yin and Yang lines to create 64 possible ‘hexagrams’ of 6 lines each. These are then used as an oracle to give a reading on what phase of the cyclic process you are in regarding a particular situation.
Terrance McKenna is one of the most articulate and experienced minds of the last century. Here he speaks about his theory, and software, that analyses the patterns of ‘novelty’ throughout history in a similar way.