News tagged with quantum mechanics

Measuring the smallest vibration

EPFL scientists have used feedback to cool the motion of a micron-sized glass string to near absolute zero. This required building a sensor capable of resolving the smallest vibration allowed by quantum mechanics.

dateAug 11, 2015 in Quantum Physics
shares52 comments 1

Quantum correlation can imply causation (Update)

Does taking a drug and then getting better mean that the drug made you better? Did that tax cut really stimulate the economy or did it recover on its own? The problem of answering such questions - of inferring causal relationships ...

dateMar 23, 2015 in Quantum Physics
shares1956 comments 5