16 Feb 2018, Precognition? Perhaps. Added postscript on retrocausality.
5 Feb 2018, Imaginary Numbers and the Real World. An imaginary parable and a lab experiment.
1 Feb 2018, Aerodynamics: Ten Common Myths. Revised and a tenth myth added.
13 Jan 2018, Space Planes to Orbit. Revised and expanded.
6 Jan 2018, J W Dunne: The Forgotten Genius. Assorted corrections and additions.
5 Jan 2018, J W Dunne Aeronauticalia. Updated: yet more new discoveries from the archives.
20 Nov 2017, Site navigation changes. Ongoing experiments to try and improve navigation, especially for mobile users.
18 Nov 2017, A Radical Liberal Manifesto. Expanded.
5 Oct 2017, Psychedelic colours. How we can see colours that don't exist.
29 Sept 2017, Tekel-Mirim: Tolkien's Polyhedra. Updated with a note on the precognitive dreams of Paul J. Donchian.
28 Sept 2017, Morphic polytopes. Towards a unified theory of polygons, polyhedra and higher-dimensional polytopes.
22 Sept 2017, Towards a Theory of Qualia. Updated and extended theory of consciousness.
17 Sept 2017, Mindfulness and Meaning. On the nature of mind and consciousness.
8 Sept 2017, Why Meme? Revised and expanded.
8 Aug 2017, Look at Your Self. You are not what you think you are.
Updated 16 Feb 2018