Evolving Thoughts

Tag archives for models

Information and metaphysics

There’s a famous anecdote about Wittgenstein and his friend Piero Sraffa by Norman Malcolm (Ludwig Wittgenstein: A Memoir): Wittgenstein was insisting that a proposition and that which it describes must have the same ‘logical form’, the same ‘logical multiplicity’, Sraffa made a gesture, familiar to Neapolitans as meaning something like disgust or contempt, of brushing…

Visualising the molecular

A dozen or so years ago, or maybe more, I was heading up the communications section of The Walter and Eliza Hall Institute of Medical Research in Melbourne, when I employed a young biology graduate as a graphics guy to do medical graphics. This he did for a while, until he started playing with three-dimensional…

Ian Musgrave has a brilliant post showing that Dembski’s revisiting of the old creationist canard that Dawkins’ 1984 Weasel program, designed to show that random variation and selective retention can “evolve” a target phrase, in this case Shakespeare’s “Methinks it is a weasel” (oops; I nearly had my own mutation there – I typed “methings”),…

Laws, theories and models

A 6th grade maths and science teacher emailed me about whether theories could become laws. Below the fold is his request and my reply. The short answer is that when laws grow up, they become theories, not the other way around.