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ou like to ask Wikipedia tougher questions than today's simple keyword searches allow? A prototype plug-in that can do just that will be demonstrated at the World Wide Web conference in Lyon, France, next month. Called Swipe - loosely short for "searching Wikipedia by example" - the software aims to let users of the online encyclopedia answer complex questions that most search engines would stumble over. For example, trying to figure out "which actresses won academy awards when they were under 30 years old in the last 25 years?" becomes relatively simple when using the program.

If you're taking a break from work to read this article, I've got one question for you: Are you crazy? I know you think no one will notice, and I know that everyone else does it. Perhaps your boss even approves of your Web surfing; maybe she's one of those new-age managers who believes the studies showing that short breaks improve workers' focus. But those studies shouldn't make you feel good about yourself. The fact that you need regular breaks only highlights how flawed you are as a worker. I don't mean to offend. It's just that I've seen your competition. Let me tell you: You are in peril.

One of the enabling technologies for a quantum internet is the ability to store and retrieve quantum information in a reliable and repeatable way.  One of the more promising ways to do this involves photons and tiny clouds of rubidium gas. Rubidium atoms have an interesting property in that a magnetic field causes their electronic energy levels to split, creating a multitude of new levels. Switching the field off, returns the atoms to their normal state.

Last week, physicist Brian Cox showed us why everything that could happen does happen in a riveting tour of the quantum universe. In this fascinating short excerpt from BBC's A Night With The Stars, Cox turns to the Pauli exclusion principle - a quantum mechanics theorem holding that no two identical particles may occupy the same quantum state simultaneously - to explain why everything is connected to everything else, an idea at once utterly mind-bending and utterly intuitive, found everywhere from the most ancient Buddhist scripts to the most cutting-edge research in biology and social science.