E. Antony Gray triggered a Twitter storm about Greer and the tension between cyclic-repetitive and linear-progressive time. (I’ve no idea how to link the discussion that subsequently erupted.) Since the integration, or diagonal, between cycle and flight is not hard to find, it provides the perfect opportunity for a time-spiral T-shirt:

Cyclic Escalation

If this looks like the abstract cybergothic shape of NRx, it is only to be expected.