News tagged with photons

Graphene could yield cheaper optical chips

Graphene—which consists of atom-thick sheets of carbon atoms arranged hexagonally—is the new wonder material: Flexible, lightweight and incredibly conductive electrically, it's also the strongest material ...

Sep 16, 2013
4.8 / 5 (10) 0 | with audio podcast

New 'switch' could power quantum computing

Using a laser to place individual rubidium atoms near the surface of a lattice of light, scientists at MIT and Harvard University have developed a new method for connecting particles—one that could help ...

Apr 09, 2014
3.4 / 5 (18) 0

Composite battery boost

(Phys.org) —New composite materials based on selenium (Se) sulfides that act as the positive electrode in a rechargeable lithium-ion (Li-ion) battery could boost the range of electric vehicles by up to ...

Dec 04, 2013
4.9 / 5 (24) 2 | with audio podcast

3-D images, with only one photon per pixel

Lidar rangefinders, which are common tools in surveying and in autonomous-vehicle control, among other applications, gauge depth by emitting short bursts of laser light and measuring the time it takes for ...

Nov 29, 2013
5 / 5 (11) 0 | with audio podcast