News tagged with particles

The world's most polluted cities

Paris has leapt into the headlines over an alert for dangerous atmospheric particles, yet it does not ordinarily count among the world's most polluted cities. ...

Mar 17, 2014 4.5 / 5 (6) 0

The debut of the antihydrogen beam

The standard model of particle physics suggests that matter and antimatter are equal and opposite in every way. Yet the observable Universe is made almost entirely of matter—an asymmetry that remains one ...

Mar 07, 2014 4.9 / 5 (19) 2