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Pat Kerr · Games, code & other curiosities

https://patkerr.co.uk/

Pat Kerr — game programmer, curious maker, and occasional writer in Dundee, Scotland.

2D Vehicle Physics Prototype · Pat Kerr

https://patkerr.co.uk/2d-vehicles/

The story of a 2D vehicle physics prototype created in 1996 and later remastered as Motion Lab.

Game Programming Course · Pat Kerr

https://patkerr.co.uk/course/

A free practical computer game programming course by Pat Kerr: videos and slides for making 2D games from scratch in JavaScript and HTML Canvas.

Writings · Pat Kerr

https://patkerr.co.uk/writings/

Articles and observations by Pat Kerr on programming, films, and other curiosities.

Motion Lab · Interactive physics playground

https://patkerr.co.uk/motion-lab/

Recursive Self-Improvement · Pat Kerr

06 Oct 2026

https://patkerr.co.uk/writings/recursive-self-improvement/

Why automating AI research might yield incremental gains without guaranteeing an exponential leap in intelligence.

“Spiderhead” mini-review · Pat Kerr

https://patkerr.co.uk/writings/spiderhead-mini-review/

I watched this on a whim, after being intrigued by the trailer. It had some good bits, but it ultimately over-extends a relatively thin (and implausible) idea which would have worked better as a Dark Mirror episode — and there are plot problems which become fairly obvious towards the end.

A snarky review of Top Gun: Maverick · Pat Kerr

https://patkerr.co.uk/writings/top-gun-maverick/

A reluctant trip to see Top Gun: Maverick, and a few objections to its impossible mission.

On Herd Immunity · Pat Kerr

https://patkerr.co.uk/writings/on-herd-immunity/

Is it a defensible approach for dealing with a pandemic?

Why I think xkcd is wrong about Free Speech · Pat Kerr

https://patkerr.co.uk/writings/why-i-think-xkcd-is-wrong-about-free-speech/

Xkcd’s “free speech” cartoon is widely cited in defence of various forms of popular censorship. However, I think it contains significant errors and weaknesses, which I will discuss in 3 sections below.