As I currently can’t sleep AGAIN due to reading too many interesting things AGAIN and then thinking too much, here is ANOTHER interesting thing. Soon no one will sleep! 🙂
A friend sent me this page about machining with high pressure (20000-60000 psi!) water jets: There are some great pictures of the stuff you can use them for here. The whole idea of being able to design it on a CAD system, and have it cut steel with a jet of water with minimal hassle is fantastic!
Some other pictures here of people cutting xboxes up with one; although I find that a terrible waste of resources (even if the xbox is broken, the parts inside could be reused).