News tagged with field
'Dark plasmons' transmit energy
Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.
Feb 09, 2012 |
4.8 / 5 (9) |
1
|
Low-cost instrument developed by students could aid weather research
On a recent blustery afternoon, scientists gathered on a rooftop at the Georgia Tech Research Institute (GTRI) to observe two atmospheric electric field-mill devices monitor the buildup of electrical charge ...
Feb 08, 2012 |
4.5 / 5 (2) |
0
Physicists 'record' magnetic breakthrough
An international team of scientists has demonstrated a revolutionary new way of magnetic recording which will allow information to be processed hundreds of times faster than by current hard drive technology.
Feb 07, 2012 |
4.5 / 5 (39) |
14
|
Scientists chart high-precision map of Milky Way's magnetic fields
(PhysOrg.com) -- Scientists at the Naval Research Laboratory (NRL) are part of an international team that has pooled their radio observations into a database, producing the highest precision map to date of ...
Feb 03, 2012 |
4.6 / 5 (11) |
9
|
Optics get magnetic powers
For decades, scientists have studied a class of materials called ‘multiferroics’ in which static electric and magnetic structures are coupled to each other. This allows capabilities such as controlling ...
Feb 03, 2012 |
5 / 5 (3) |
0
Radio stars: Caltech's astronomy professor searches for cosmic radio waves
Growing up in rural northwest Ireland, beyond the reach of city lights, Gregg Hallinan fell in love with the night sky. "When you didn't have bad weather, and you didn't have clouds, the skies were nothing ...
Feb 03, 2012 |
not rated yet |
0
Do black holes help stars form?
(PhysOrg.com) -- The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around ...
Feb 03, 2012 |
4.5 / 5 (6) |
1
|
Physics team calculates that graphene disks could be complete optical absorbers
(PhysOrg.com) -- In optical devices designed and used to collect light, there has always been a loss of light due to reflection, now, new research by a team of physicists from Spain and England has found, ...
Feb 01, 2012 |
5 / 5 (2) |
0
|
Wireless power could revolutionize highway transportation, researchers say
A Stanford University research team has designed a high-efficiency charging system that uses magnetic fields to wirelessly transmit large electric currents between metal coils placed several feet apart. The ...
Technology / Energy & Green Tech
Feb 01, 2012 |
4.3 / 5 (27) |
66
|
Dyslexia-linked genetic variant decreases midline crossing of auditory pathways
Finnish scientists have found that a rare dyslexia-linked genetic variant of the ROBO1 gene decreases normal crossing of auditory pathways in the human brain. The weaker the expression of the gene is, the ...
Medicine & Health / Neuroscience
Feb 01, 2012 |
not rated yet |
0
A pocket of star formation
(PhysOrg.com) -- This new view shows a stellar nursery called NGC 3324. It was taken using the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. The intense ultraviolet ...
Feb 01, 2012 |
not rated yet |
0
|
Weightlessness weighs heavy on genes -- a fly's perspective
On Earth all biology is subjected to gravity. Some biological systems require gravity for correct orientation (geotropism: plants grow up, roots grow down). In the absence of gravity even human biology is affected: astronauts ...
Jan 31, 2012 |
3.5 / 5 (2) |
0
Study finds 'cool' gas may form and strengthen sunspots
Hydrogen molecules may act as a kind of energy sink that strengthens the magnetic grip that causes sunspots, according to scientists from Hawaii and New Mexico using a new infrared instrument on an old telescope.
Jan 31, 2012 |
5 / 5 (1) |
1
|
MSU geneticist helps find butterfly gene, clue to age-old question
(PhysOrg.com) -- Years after sleeping in hammocks in the wilds of Peru and Panama, collecting hundreds of thousands of samples of colorful insects, Mississippi State assistant professor Brian Counterman now ...
Jan 30, 2012 |
4 / 5 (1) |
0
Earth's energy budget remained out of balance despite unusually low solar activity
(PhysOrg.com) -- A new NASA study underscores the fact that greenhouse gases generated by human activity -- not changes in solar activity -- are the primary force driving global warming.
Space & Earth / Earth Sciences
Jan 30, 2012 |
4 / 5 (12) |
26
|
