Lockpicking just became a whole lot easier. Engineers Jos Weyers and Christian Holler can use 3D printing technology to produce ‘bump’ keys capable of opening millions of locks, without ever having seen the original keys.
When Tim Berners-Lee invented the world wide web 24 years ago he thought he'd created an egalitarian tool that shared information for the greater good. But it hasn't quite worked out like that. What went wrong, asks Stuart Jeffries