The U combinator allows you to define recursive functions and I think it is simpler to understand than the Y combinator.

What polkit is, why you should worry about it, some ways to defang it.

‘Those who control the present can rewrite the past’ — Anne Fortier

In 2016 you voted for brexit. But you voted for it because the leave campaign lied to you, of course: not because you didn’t like foreigners very much and didn’t care very much about your children’s future.

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?