Whatever you think about brexit, there is something which matters more. And brexit is not compatible with that thing.

Welcome to the age of the clown fascists.

One camera, one lens, one theme, one year: one way to be less bad as a photographer.

Why you can’t see the Apollo lunar landing sites from Earth.

Tough and competent.

What sort of people will vote for Trump in 2020, if he lasts that long?

All serious historians agree that the Apollo programme of the 1960s and early 1970s was the highpoint of western civilisation.

Sometime in the middle of 2019, the UK will have a new prime minister. He¹ will have considerable power to control whether, when and how the UK leaves the EU.

An attempt to describe three well-known function calling conventions in terms of bindings.

I find the best way to think about this is to think in terms of bindings, rather than environments or frames, which are simply containers for bindings.