The innovation ofHRP is that the recurrence is definednot only by localphasespacedistance, but also by the local orderpatternsstructure of a timeseries.
There's something about rhyme, about formal patterns of accents, about parallelism in grammatical structure -- they give language a kind of magic and permanence.
Images sent back from the Cassini spacecraft (which has been in orbit around Saturn since 2004) have revealed how the fine structure of the rings is broken up into intricate patterns of thousands of ringlets and gaps.