You might want to close down any unnecessary applications running on your computer, in case they slow down the general working of things, before you click the following link.

No, really, I mean it, you’re going to want things running as whizzily as possible on your electronic Babbage difference engine.

Ready? Okay, click here and if it doesn’t blow your mind, then… well, I’m kind of surprised, and I’m sorry to have wasted your time.

If it appeals, though… thought you’d like it!