News tagged with electrical force

Study explains the mystery of ball lightning

(Phys.org)—Sightings of ball lightning have been made for centuries around the world – usually the size of a grapefruit and lasting up to twenty seconds – but no explanation of how it occurs has been ...

Oct 12, 2012
4.4 / 5 (30) 11 | with audio podcast

Heliophysics nugget: Riding the plasma wave

Throughout the universe more than 99 percent of matter looks nothing like what's on Earth. Instead of materials we can touch and see, instead of motions we intuitively expect like a ball rolling down a hill, ...

Jul 18, 2012
4.9 / 5 (18) 2 | with audio podcast

New nanodevice builds electricity from tiny pieces

(Phys.org) -- A team of scientists at the National Physical Laboratory (NPL) and University of Cambridge has made a significant advance in using nano-devices to create accurate electrical currents. Electrical ...

Jul 06, 2012
4.8 / 5 (9) 0 | with audio podcast

Scientists first to observe plasmons on graphene

With a beam of infrared light, scientists have sent ripples of electrons along the surface of graphene and demonstrated that they can control the length and height of these oscillations, called plasmons, using ...

Jun 20, 2012
5 / 5 (9) 5 | with audio podcast