The international CDF collaboration at Fermilab has made the most precise measurement to date of the extremely rapid transitions between matter and antimatter. The experiment has found that certain B mesons spontaneously turn into their own antiparticle equivalents -- anti-B mesons -- and back again at a rate of three trillion times per second. The result agrees well with the Standard Model of particle physics and confirms yet again the existence of CP violation -- the reason why there is more matter than antimatter in the universe.

Details

How to make an object Invisible                                                             26 May 2006  

Theoretical physicists in the UK and US have proposed a clever way of making objects invisible. It would involve surrounding the object by a "metamaterial" -- a type of composite material that has unusual electromagnetic properties.

Details

Chandra solves Black Hole mystery                                                                    22 June 2006    

The way in which black holes suck in matter from neighbouring stars is a fundamentally magnetic process and not just caused by gravity. That's the conclusion from new measurements of the X-rays emitted by the gas surrounding a nearby black hole in the Milky Way.

Details