A simple visual aid to see why the area of a circle is half the circumference times the radius. Based on a section of Steven Strogatz' new Infinite Powers book

Let's ride a Martian space elevator—from Pavonis Mons to areostationary orbit! The left hand side looks down on the north pole, and the ellipse shows at each moment the free-fall trajectory the elevator car would follow if it detached from the cable (More details in thread) 1/

re: Dawkins' science tweet It's hard to have useful discussions when we use "science" to mean at least three distinct things: - objective reality - the process people use to understand reality - the collection of facts we've come to accept as true by using that process

I'm doing a night-time trek up mount Snowdon with friends and we're raising money for Mind, a charity in England & Wales that helps people with mental health problems and raises awareness of mental health. I'd really appreciate any donations or retweets justgiving.com/fundraising/sn…

Happy Halloween! I decided to get in the spirit and dress as the walking dead (I've no idea if non-British followers will know who this is)

In NumPy/PyTorch if I have some arrays (that may share some axes) that I want to make jointly broadcastable, I use this 'make_broadcastable' function, using einops underneath and the same pattern syntax Anyone know of an easier/built-in way? gist.github.com/grey-area/9d09…

New blog post: Visualising the Legendre Transform In which, I show how the Legendre transform can be derived in a visual way by thinking about the relationship between two ways of describing the same curve. echostatements.github.io/posts/2023/02/…

I'm speaking at Develop:Brighton 2025 in July with vTime about using AI to aid the development of a top rated game on a modest budget, using our recent game Border Bots VR as a case study Details of the session here: developconference.com/speakers/andre… #ImASpeaker #developconf