News tagged with quantum physics

NSA pursues quantum technology

In this month's issue of Physics World, Jon Cartwright explains how the revelation that the US National Security Agency (NSA) is developing quantum computers has renewed interest and sparked debate on just how far ahead ...

Jan 31, 2014
4.5 / 5 (13) 12 | with audio podcast

Light on twenty-year-old electron mystery

Groningen scientists have found an explanation for a mystery that has been puzzling the physics community since 1995. In the scientific journal Nature on Thursday 28 August (Advance Online Publication), they e ...

Aug 29, 2013
4.8 / 5 (12) 0

Entanglement made tangible

EPFL scientists have designed a first-ever experiment for demonstrating quantum entanglement in the macroscopic realm. Unlike other such proposals, the experiment is relatively easy to set up and run with existing semiconductor ...

Sep 30, 2014
4.8 / 5 (12) 2

Simulation sets atoms shivering

(Phys.org) —In "Harry Potter and the Sorcerer's Stone" (JK Rowling, 1997), Harry, Ron, and Hermione encounter a massive stone chessboard, one of many obstacles in their path. To advance, they must play, ...

Sep 23, 2013
4.7 / 5 (12) 4 | with audio podcast

Penetrating the quantum nature of magnetism

Antiferromagnets are materials that lose their apparent magnetic properties when cooled down close to absolute zero temperature. Different to conventional magnets, which can be described with classical physics ...

Jun 17, 2013
4.9 / 5 (11) 1 | with audio podcast

A non-causal quantum eraser

Whether a quantum object behaves like a wave or like a particle depends (according to the Copenhagen interpretation) on the choice of measurement apparatus used for observing the system, and therefore on ...

Jan 09, 2013
4.4 / 5 (12) 54 | with audio podcast