Physics news

Magnetic memories on the right track

Computer hard drives store data by writing magnetic information onto their surfaces. In the future, magnetic effects may also be used to improve active memory in computers, potentially eliminating the need ...

Aug 27, 2014 4.8 / 5 (4) 0

Ray tracing and beyond

Ray tracing is simple to explain at one level: "We all do it all day long: That's how you navigate the world visually," Gene Tracy explains. "The fact that I know that you're sitting there and not over there is because the ...

Sep 01, 2014 4.5 / 5 (4) 0

Water window imaging opportunity

Ever heard of the water window? It consists of radiations in the 3.3 to 4.4 nanometre range, which are not absorbed by the water in biological tissues. New theoretical findings show that it is possible to ...

Aug 21, 2014 3.5 / 5 (4) 0

When an exciton acts like a hole

(Phys.org) —When is an electron hole like a quasiparticle (QP)? More specifically, what happens when a single electron hole is doped into a two-dimensional quantum antiferromagnet? Quasiparticle phenomena ...

Aug 27, 2014 4.7 / 5 (3) 5