Physics - Quantum Physics news

Quantum eavesdropper steals quantum keys

(PhysOrg.com) -- In quantum cryptography, scientists use quantum mechanical effects to encrypt and then communicate confidential information. Although quantum cryptography codes are unbreakable in principle, even the best ...

Jun 20, 2011 4.6 / 5 (11) 10 | with audio podcast report

When does a physical system compute?

Can physical systems from bacteria to black holes act as a computer? A University of York computer scientist and colleagues from the universities of Oxford and Leeds address this question in newly published research which ...

Jul 11, 2014 4.3 / 5 (9) 7