News tagged with quantum mechanics

RHIC's perfect liquid a study in perfection

(Phys.org) —When heavy ions (the nuclei of heavy atoms such as gold and lead) collide at high energies at Brookhaven National Laboratory's Relativistic Heavy Ion Collider (RHIC) and Europe's Large Hadron Coll ...

Jun 18, 2013
4.6 / 5 (9) 0 | with audio podcast

Our ambiguous world of words

(Phys.org) —Ambiguity in language poses the greatest challenge when it comes to training a computer to understand the written word. Now, new research aims to help computers find meaning.

May 31, 2013
4.7 / 5 (6) 5 | with audio podcast

Hydrogen atoms under the magnifying glass

To describe the microscopic properties of matter and its interaction with the external world, quantum mechanics uses wave functions, whose structure and time dependence is governed by the Schrödinger equation. ...

May 22, 2013
4.9 / 5 (9) 2

Making quantum encryption practical

One of the many promising applications of quantum mechanics in the information sciences is quantum key distribution (QKD), in which the counterintuitive behavior of quantum particles guarantees that no one can eavesdrop on ...

May 21, 2013
5 / 5 (5) 8 | with audio podcast

Quantum optics with microwaves

(Phys.org) —Physicists at ETH Zurich have demonstrated one of the quintessential effects of quantum optics—known as the Hong-Ou-Mandel effect—with microwaves, whose frequency is 100'000 times lower ...

May 08, 2013
4.9 / 5 (9) 0 | with audio podcast