Six famous thought experiments explained quickly
This is the most essential part of the documentary, whether people see colors differently or not.
Economics writer Tim Harford studies complex systems – and finds a surprising link among the successful ones : they were built through trial and error. In this sparkling talk he asks us to embrace our randomness and start making better mistakes. If you don’t have the time skip to 11/12 mins in.
A cigarette advert from 1935 by Len Lye ; colour animation made by painting directly onto the film.