News tagged with electric current

Related topics: electrons

Pinpointing catalytic reactions on carbon nanotubes

(PhysOrg.com) -- Among their many other interesting properties, carbon nanotubes have been found to act as catalysts for some important chemical reactions, including some that could be used to make cleaner ...

Nanotechnology / Nanophysics

created Apr 17, 2009 | popularity 3.7 / 5 (3) | comments 2

How space eruptions happen

(PhysOrg.com) -- Mathematicians at the University of St Andrews have made a discovery which could lead to a better understanding of why huge eruptions occur in space.

Other Sciences / Mathematics

created Apr 07, 2009 | popularity 4.4 / 5 (10) | comments 3

New material could help cut future energy losses

Scientists at the University of Liverpool and Durham University have developed a new material to further understanding of how superconductors could be used to transmit electricity to built-up areas and reduce global energy ...

Physics / Superconductivity

created Mar 19, 2009 | popularity 4.2 / 5 (5) | comments 2

The Day the Sun Brought Darkness (w/Video)

On March 13, 1989 the entire province of Quebec, Canada suffered an electrical power blackout. Hundreds of blackouts occur in some part of North America every year. The Quebec Blackout was different, because ...

Space & Earth / Space Exploration

created Mar 13, 2009 | popularity 4.4 / 5 (10) | comments 1

Physicist develops battery using new source of energy

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 ...

Physics / General Physics

created Mar 11, 2009 | popularity 4.7 / 5 (53) | comments 11

Regions of the brain can rewire themselves

(PhysOrg.com) -- Scientists at the Max Planck Institute for Biological Cybernetics in Tübingen have succeeded in demonstrating for the first time that the activities of large parts of the brain can be altered ...

Medicine & Health / Neuroscience

created Mar 09, 2009 | popularity 5 / 5 (12) | comments 0

Turning the tide to energy

NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...

Technology / Engineering

created Mar 06, 2009 | popularity 3.3 / 5 (23) | comments 6

Scientists Track Heat in Tiny Rolls of Carbon Atoms

(PhysOrg.com) -- IBM Research scientists today announced a landmark study in the field of nanoelectronics; the development and demonstration of novel techniques to measure the distribution of energy and heat in powered carbon ...

Nanotechnology / Nanophysics

created Mar 02, 2009 | popularity 5 / 5 (6) | comments 0

Carbon nanotube avalanche process nearly doubles current

(PhysOrg.com) -- By pushing carbon nanotubes close to their breaking point, researchers at the University of Illinois have demonstrated a remarkable increase in the current-carrying capacity of the nanotubes, ...

Nanotechnology / Nanophysics

created Feb 09, 2009 | popularity 4.5 / 5 (12) | comments 0

New plasma transistor could create sharper displays

(PhysOrg.com) -- By integrating a solid-state electron emitter and a microcavity plasma device, researchers at the University of Illinois have created a plasma transistor that could be used to make lighter, ...

Physics / Plasma Physics

created Feb 04, 2009 | popularity 4.7 / 5 (9) | comments 2