News tagged with electron motion

Samsung sees record-high 4Q profit

Samsung Electronics Co., the world's largest technology company by revenue, expects record earnings for the fourth quarter of 2012 as shoppers continued to snap up its smartphones and tablets.

Jan 08, 2013
4.5 / 5 (2) 0

One material, two types of magnetism

When placed next to a bar magnet, an aluminum ball draws gently towards the magnet. In contrast, a ball made of silver moves out of the magnetic field. The mechanisms underlying these different behaviors ...

Nov 22, 2012
4.8 / 5 (6) 7 | with audio podcast

Graphene mini-lab

A team of physicists from Europe and South Africa showed that electrons moving randomly in graphene can mimic the dynamics of particles such as cosmic rays, despite travelling at a fraction of their speed, in a paper about ...

Oct 31, 2012
3.7 / 5 (3) 0

Android extends dominance in smartphones worldwide

Got an iPhone? You're in the minority. There were four Android phones for every iPhone shipped in the second quarter, research firm IDC said Wednesday. That's up from a ratio of 2.5 to 1 in the same period last year.

Aug 08, 2012
5 / 5 (8) 0

Light pulses take a quantum walk

Tourists who drift aimlessly during a sightseeing tour are moving randomly - just like electrons that move from one atom to the next. To obtain a better understanding of these random motions it is often useful ...

Mar 21, 2012
4.4 / 5 (5) 0 | with audio podcast