News tagged with quantum systems

Quantum copies do new tricks

One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons ...

Mar 22, 2012 4.2 / 5 (13) 22 | with audio podcast

Vaccines for HIV: A new design strategy

HIV has eluded vaccine-makers for thirty years, in part due to the virus' extreme ability to mutate. Physical scientists and clinical virologists from the Massachusetts Institute of Technology (MIT) and the Ragon Institute ...

Feb 23, 2012 5 / 5 (2) 0

Quantum cats are hard to see

Are there parallel universes? And how will we know? This is one of many fascinations people hold about quantum physics. Researchers from the universities of Calgary and Waterloo in Canada and the University ...

Dec 16, 2011 3.8 / 5 (18) 319 | with audio podcast

Putting artificial atoms on the clock

Around the turn of the century, scientists began to understand that atoms have discrete energy levels. Within the field of quantum physics, this sparked the development of quantum optics in which light is ...

Nov 07, 2011 5 / 5 (1) 0