Physics - Quantum Physics news

Better light measurement through quantum cloning

(PhysOrg.com) -- "One of the things we have been studying is how the world works on a really small scale," Bruno Sanguinetti, a scientist at the University of Geneva in Switzerland tells PhysOrg.com. "At the quantum level, ...

Aug 30, 2010 feature
4.3 / 5 (14) 0 | with audio podcast

Time travel theory avoids grandfather paradox

(PhysOrg.com) -- The possibility of going back in time only to kill your ancestors and prevent your own birth has posed a serious problem for potential time travelers, not even considering the technical details ...

Jul 21, 2010 report
4.2 / 5 (59) 96 | with audio podcast

Tunable quantum cascade laser

(PhysOrg.com) -- One of the issues associated with lasers is their tunability. In many cases, if you want to produce a particular wavelength, you have to build a laser to accomplish this. In order to get another wavelength, ...

Jul 07, 2010 feature
4.6 / 5 (20) 1 | with audio podcast