News tagged with wave energy

A Theory of Dark Matter

Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."

Physics / General Physics

created Sep 08, 2009 | popularity 3.6 / 5 (45) | comments 58

Britain launches renewables drive to cut emissions

Britain announced plans Wednesday to slash emissions with a huge increase in the use of renewable energy to generate one third of the country's electricity needs by 2020.

Space & Earth / Environment

created Jul 15, 2009 | popularity 4.5 / 5 (34) | comments 2

Physicists demonstrate 100-fold speed increase in optical quantum memory

(PhysOrg.com) -- As with today's computers, future quantum computers will require more than just quantum information processing; they will also require methods to store and retrieve the quantum information. ...

Physics / Optics & Photonics

created Apr 01, 2010 | popularity 4.5 / 5 (31) | comments 0 | with audio podcast feature

New way to extract light from semiconductors could lead to ultra-high efficiency LEDs

(PhysOrg.com) -- By fabricating ridges coated with silicon dioxide (SiO2) on the surface of a semiconductor, scientists from the National Institute of Advanced Industrial Science and Technology (AIST) in ...

Physics / Condensed Matter

created May 14, 2010 | popularity 4.8 / 5 (25) | comments 8 | with audio podcast report

Could Exotic Matter Provide an Infinite Source of Energy?

(PhysOrg.com) -- Generally, scientists prefer to avoid the concept of perpetual motion. The idea of a machine that could produce movement that goes on forever, and using that movement to generate an endless ...

Physics / General Physics

created Sep 15, 2009 | popularity 3.4 / 5 (35) | comments 63 feature

Shaking the Fundamentals of Physics: At the Limits of the Photoelectric Effect

With extremely short wavelengths and very high intensities, light-matter interaction seems to be different than previously accepted.

Physics / General Physics

created Apr 24, 2009 | popularity 4.3 / 5 (24) | comments 9

Wave power could contain fusion plasma

Researchers at the University of Warwick’s Centre for Fusion Space and Astrophysics and the UK Atomic Energy Authority’s Culham Centre for Fusion Energy may have found a way to channel the flux and fury of a nuclear ...

Physics / Plasma Physics

created Jan 10, 2011 | popularity 4.8 / 5 (17) | comments 13 | with audio podcast

When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...

Space & Earth / Astronomy

created Mar 30, 2012 | popularity 4 / 5 (19) | comments 67 | with audio podcast

Folding light: Wrinkles and twists boost power from solar panels

Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.

Physics / Optics & Photonics

created Apr 27, 2012 | popularity 4.9 / 5 (15) | comments 8 | with audio podcast

Probing the dark side of the universe

Advancing into the next frontier in astrophysics and cosmology depends on our ability to detect the presence of a particular type of wave in space, a primordial gravitational wave. Much like ripples moving ...

Physics / General Physics

created May 20, 2010 | popularity 4.6 / 5 (15) | comments 99 | with audio podcast

Sound could save circuits: Researchers theorize acoustic waves may cool microelectronics

(PhysOrg.com) -- "Hot sounds" has one meaning to music fans and another to physicists. Count a team of researchers at Rice University among the latter, as they've discovered that acoustic waves traveling along ...

Nanotechnology / Nanophysics

created Apr 28, 2010 | popularity 4.8 / 5 (14) | comments 1 | with audio podcast

First light for BOSS -- a new kind of search for dark energy

BOSS, the Baryon Oscillation Spectroscopic Survey, is the most ambitious attempt yet to map the expansion history of the Universe using the technique known as baryon acoustic oscillation (BAO). A part of the ...

Space & Earth / Astronomy

created Oct 01, 2009 | popularity 4.3 / 5 (15) | comments 4

Theoretical physicists offer explanation of how bacteria might generate radio waves

(PhysOrg.com) -- Four theoretical physicists, led by Allan Widom, of Northeastern University, have published a paper in arXiv, where they show a possible way for some bacteria to produce radio waves. Taking ...

Physics / General Physics

created Apr 28, 2011 | popularity 4.8 / 5 (13) | comments 13 | with audio podcast report

Radio astronomers develop new technique for studying dark energy

Pioneering observations with the National Science Foundation's giant Robert C. Byrd Green Bank Telescope (GBT) have given astronomers a new tool for mapping large cosmic structures. The new tool promises to ...

Space & Earth / Astronomy

created Jul 21, 2010 | popularity 4.8 / 5 (13) | comments 6 | with audio podcast

Portuguese wave-power snake dead in the water

Opened in September as a world "first" in producing electricity from waves, a pioneering installation here is dead in the water having functioned for only a few weeks in a stormy process of research and development.

Technology / Energy & Green Tech

created Mar 24, 2009 | popularity 4.4 / 5 (14) | comments 9