News tagged with classical physics

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

Long live the qubit!

A quantum computer is a device -- still largely theoretical -- that could perform some types of calculations much more rapidly than classical computers. While a bit in a classical computer can represent either ...

Jun 02, 2011 4.9 / 5 (7) 3 | with audio podcast