Physics news

Are weak values quantum? Don't bet on it

(Phys.org) —New work asserts that a key technique used to probe quantum systems may not be so quantum after all, according to Perimeter postdoctoral researcher Joshua Combes and his colleague Christopher ...

Sep 24, 2014
5 / 5 (20) 7

Cold atom laboratory chills atoms to new lows

(Phys.org) —NASA's Cold Atom Laboratory (CAL) mission has succeeded in producing a state of matter known as a Bose-Einstein condensate, a key breakthrough for the instrument leading up to its debut on the ...

Sep 29, 2014
4.7 / 5 (14) 0

Putting the squeeze on quantum information

Canadian Institute for Advanced Research researchers have shown that information stored in quantum bits can be exponentially compressed without losing information. The achievement is an important proof of principle, and could ...

Sep 25, 2014
5 / 5 (11) 0

When a doughnut becomes an apple

In experiments using the wonder material graphene, ETH researchers have been able to demonstrate a phenomenon predicted by a Russian physicist more than 50 years ago. They analyzed a layer structure that ...

Sep 23, 2014
5 / 5 (10) 0

Stressing out copper TSVs with temperature

In the past, microelectronics were essentially a two-dimensional affair based upon flat integrated circuit chips connected to each other. Then, engineers opened up the third dimension, with integrated circuit ...

Sep 25, 2014
4.9 / 5 (9) 2

Kilogram celebrates its 125th birthday

The IPK has been the global standard for mass for the last 125 years; it was sanctioned at the first General Conference on Weights and Measures (CGPM) on 7-9 September 1889 in Paris. This is likely to be ...

Sep 25, 2014
5 / 5 (6) 1