Archive: 08/24/2011

Quantum correlations -- without entanglement

(PhysOrg.com) -- Few people doubt the "quantumness" of entanglement. Quantifying the quantum correlation of entanglement is something that is relatively regular right now. However, things change a bit when it comes to quantum ...

Aug 24, 2011 4.5 / 5 (21) 4 | with audio podcast feature

Obama: Our 22nd greatest president?

As if President Barack Obama doesn't already have enough to worry about, a statistical analysis of presidential ranking surveys suggests that he is likely to be viewed as an "average" president by expert evaluators if he ...

Aug 24, 2011 2.3 / 5 (3) 100