The prime number theorem can be expressed as the assertion as , where is the von Mangoldt function. It is a basic result in analytic number theory, but requires a bit of effort to prove. One “elementary” proof of this theorem proceeds through the Selberg symmetry formula where the second von Mangoldt function is defined […]
Sometimes, in the course of researching a post, a link leads to a completely unexpected corner of the internet. In this case, a post on Mark Evanier lead here.The first is a cameraless film with hand-drawn sound from before the war, the second explains the technique and the third stands alone.Norman McLaren - Dots (1940)
I've got some brilliant gems for you this week. As usual Twitter has been on top form.
1. Quick Key
Last week I wrote about Plickers, which is an app you can use in the classoom for formative assessment - you need a device but your students don't. Today I'm suggesting another app that you can use for assessment - Quick Key. With this app you can set multiple choice homeworks or tests and mark
A couple of months ago I made a video about Lorenz: Hitler’s “unbreakable” cipher machine.
That video was filmed by Ben Roper who is a proper filmmaker - that’s why it looked so much better than the videos I usually make!
Ben gave up his own time help us make that video, so if you like it then you should know that Ben has started a kickstarter to make a short film about love between two washing machines
If you want to support Ben and the film please donate. And maybe