collecting up these sort of temporal associations to make sense of the world so we have we have experimental of us this might be happening but we don't have really models for it now there have been prior attempts so slow Fourier analysis is a is an attempt to sort of extract those signals that are moving slowly and this has been influential but you know it hasn't sort of unleashed you know a revolution in how we do things but it's an interesting and important set of ideas but what I want to do is look specifically at prediction as an