Electric charge
hideElectric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction. Electrically charged matter is influenced by, and produces, electromagnetic fields. The interaction between a moving charge and an electromagnetic field is the source of the electromagnetic force, which is one of the four fundamental forces.
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News tagged with electrical charge
New carbon nanomaterial shows promise of storing large quantities of renewable electrical energy
Nanotechnology / Nanomaterials
Sep 16, 2008 |
4.6 / 5 (51) |
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Engineers and scientists at The University of Texas at Austin have achieved a breakthrough in the use of a one-atom thick structure called "graphene" as a new carbon-based material for storing electrical charge in ultracapacitor ...
French physicists claim breakthrough in ultra-fast data access
May 31, 2009 |
4.4 / 5 (31) |
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French physicists said on Sunday they had used ultra-fast lasers that could accelerate storage and retrieval of data on hard discs by up to 100,000 times, pointing the way to a new generation of IT wizardry.
Ytterbium's broken symmetry: The largest parity violations ever measured in an atom
Jul 22, 2009 |
4.5 / 5 (28) |
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Ytterbium was discovered in 1878, but until it recently became useful in atomic clocks, the soft metal rarely made the news. Now ytterbium has a new claim to scientific fame. Measurements with ytterbium-174, ...
New study confirms exotic electric properties of graphene
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
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(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
Study on effect of electricity on liquids bucks conventional science (w/ Video)
Sep 16, 2009 |
4.8 / 5 (16) |
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(PhysOrg.com) -- Whether gazing into lava lamps or watching balsamic vinegar mix with olive oil, people have long been transfixed by the seemingly mystical way that droplets of one liquid find each other within ...
Lightning’s Mirror Image, Only Much Bigger (w/ Video)
Space & Earth / Earth Sciences
Aug 23, 2009 |
4.5 / 5 (17) |
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(PhysOrg.com) -- With a very lucky shot, scientists have captured a one-second image and the electrical fingerprint of huge lightning that flowed 40 miles upward from the top of a storm.
JQI researchers create entangled photons from quantum dots
Nov 18, 2009 |
4.3 / 5 (8) |
1
To exploit the quantum world to the fullest, a key commodity is entanglement—the spooky, distance-defying link that can form between objects such as atoms even when they are completely shielded from one another. Now, physicists ...
Understanding the science of solar-based energy: more researchers are better than one
Sep 02, 2008 |
4.7 / 5 (7) |
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View a video of MIT scientists explaining how they recently discovered a catalyst that produces oxygen gas from water.
Opposites attract -- but they may not stay together
Sep 24, 2009 |
4.7 / 5 (6) |
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(PhysOrg.com) -- Opposites may always attract. But they may not remain together long-term. In a counter-intuitive discovery published in the current edition of the journal Nature, researchers from Harvard, the Un ...
Safer, Denser Acetylene Storage in an Organic Framework
Aug 26, 2009 |
4.4 / 5 (5) |
3
(PhysOrg.com) -- The century-old challenge of transporting acetylene may have been solved in principle by a team of scientists working at the National Institute of Standards and Technology. A NIST research ...
Scientists Pierce Veil of Clouds to 'See' Lightning Inside a Volcanic Plume
Space & Earth / Earth Sciences
Apr 08, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Researchers hit the jackpot in late March, when, for the first time, they began recording data on lightning in a volcanic eruption--right from the start of the eruption.
Highly conductive nanocomposites: Inexpensive plastic used in CDs could improve electronics
Nanotechnology / Nanomaterials
May 15, 2009 |
5 / 5 (3) |
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If one University of Houston professor has his way, the inexpensive plastic now used to manufacture CDs and DVDs will one day soon be put to use in improving the integrity of electronics in aircraft, computers and iPhones.
Chemist creates trapping technique for nanoparticles
Aug 17, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- A chemist at the University of Wisconsin-Milwaukee (UWM) has developed a kind of invisible fence for trapping and controlling particles as small as a single virus or large protein.
'No muss, no fuss' miniaturized analysis for complex samples developed
Chemistry / Analytical Chemistry
Nov 18, 2009 |
4.7 / 5 (3) |
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The goal of an integrated, miniaturized laboratory analysis system, also known as a "lab-on-a-chip," is simple: sample in, answer out. However, researchers wanting to use these microfluidic devices to analyze ...
Scientists Use Self-Assembly to Make Molecule-Sized Particles With Patches of Charge
Nanotechnology / Nanomaterials
Oct 20, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- Physicists, chemists and engineers at the University of Pennsylvania have demonstrated a novel method for the controlled formation of patchy particles, using charged, self-assembling molecules ...
