News tagged with electrical field

Study on effect of electricity on liquids bucks conventional science (w/ Video)

Physics / General Physics

Sep 16, 2009 | 4.8 / 5 (16) | 4

(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 ...

All-in-one nanoparticle: A Swiss Army knife for nanomedicine

Nanotechnology / Bio & Medicine

Jul 27, 2009 | 5 / 5 (3) | 1

Nanoparticles are being developed to perform a wide range of medical uses - imaging tumors, carrying drugs, delivering pulses of heat. Rather than settling for just one of these, researchers at the University ...

White glow: Dye-doped DNA nanofibers emit white light

Nanotechnology / Nanomaterials

Jul 08, 2009 | not rated yet | 0

(PhysOrg.com) -- Efficient energy transport plays an important role in the development of optoelectonic materials. The true masters of energy transfer via a hierarchical arrangement of different molecules are the photosynthetic ...

Expanding cell girth indicates seriousness of breast cancer

Chemistry /

Sep 18, 2008 | 5 / 5 (1) | 1

How fat cells become after being exposed to a specialized electrical field is helping researchers determine whether cells are normal, cancerous or a stage of cancer already invading other parts of the body.

THEMIS satellite tracks electrical tornadoes in space

Space & Earth / Space Exploration

Apr 23, 2009 | 4.5 / 5 (4) | 1

(PhysOrg.com) -- Earth-bound tornadoes are puny compared to "space tornadoes," which span a volume as large as Earth and produce electrical currents exceeding 100,000 amperes, according to new observations ...

Physicist develops battery using new source of energy

Physics / General Physics

Mar 11, 2009 | 4.7 / 5 (51) | 11

Researchers at the University of Miami and at the Universities of Tokyo and Tohoku, Japan, have been able to prove the existence of a "spin battery," a battery that is "charged" by applying a large magnetic ...

Electrosmog on the circuit board

Technology / Engineering

Apr 06, 2009 | 3 / 5 (1) | 0

Their miniature size is their strength - and also their weakness. Be it in cell phones, cars or computers, electronic components are getting smaller and smaller and increasingly powerful. The smaller they ...

Silicon superlattices: New waves in thermoelectricity

Nanotechnology / Nanophysics

Apr 01, 2009 | 3.7 / 5 (7) | 1

(PhysOrg.com) -- A University of Wisconsin-Madison research team has developed a new method for using nanoscale silicon that could improve devices that convert thermal energy into electrical energy.

Novel electric signals in plants

Chemistry / Biochemistry

Mar 09, 2009 | 4 / 5 (1) | 1

Using ion-selective micro-electrodes electrical signals in plants moving from leaf to leaf could be measured. The speed of the signals spreading as voltage changes over cell membranes ranged from 5 to 10 cm ...

Sensor Detects Onset of Acute Myocardial Ischemia

Physics / Soft Matter

Apr 23, 2009 | 5 / 5 (1) | 1

(PhysOrg.com) -- Engineering researchers at the University of Arkansas have fabricated and tested a unique biosensor that measures concentrations of potassium and hydrogen ions in the human heart with high specificity. The ...

GOCE gravity satellite moves to launch pad

Space & Earth / Space Exploration

Mar 11, 2009 | 5 / 5 (3) | 0

(PhysOrg.com) -- With liftoff just five days away, ESA's GOCE spacecraft - encased in the protective half-shells of the launcher fairing - has been transported from the cleanroom and installed in the launch ...

Multiferroic compounds used to produce smaller and cheaper digital memories

Physics / Condensed Matter

Nov 27, 2009 | 4.7 / 5 (6) | 1

(PhysOrg.com) -- Is it possible to make even more compact digital memories for portable electronic devices and which consume even less energy? A team of French researchers has recently demonstrated that it ...

New instrument has potential to detect water deep underground on Mars (w/ Video)

Space & Earth / Space Exploration

Jun 24, 2009 | 4.7 / 5 (3) | 1

(PhysOrg.com) -- With the whoosh of compressed gas and the whir of unspooling wire, a team of Boulder scientists and engineers tested a new instrument prototype that might be used to detect groundwater deep ...

New study confirms exotic electric properties of graphene

Nanotechnology / Nanomaterials

Nov 17, 2009 | 4.8 / 5 (23) | 1

(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: ...

List of search results for electrical field