News tagged with natural source

Fiber laser points to woven 3-D displays

Most light emitters, from candles to light bulbs to computer screens, look the same from any angle. But in a paper published this week on the Nature Photonics website, MIT researchers report the development of a n ...

Physics / Optics & Photonics

created Mar 12, 2012 | popularity 4.7 / 5 (9) | comments 1 | with audio podcast

Transparent iron? For the first time, an experiment shows that atomic nuclei can become transparent

At the high-brilliance synchrotron light source PETRA III, a team of DESY scientists headed by Dr. Ralf Röhlsberger has succeeded in making atomic nuclei transparent with the help of X-ray light. At the ...

Physics / General Physics

created Feb 08, 2012 | popularity 4.8 / 5 (12) | comments 3 | with audio podcast

Researchers unravel the mystery of quantum dot blinking

(PhysOrg.com) -- Research by Los Alamos scientists published today in the journal Nature documents significant progress in understanding the phenomenon of quantum-dot blinking. Their findings should enhanc ...

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 5 / 5 (12) | comments 1 | with audio podcast

Neutron analysis explains dynamics behind best thermoelectric materials

Neutron analysis of the atomic dynamics behind thermal conductivity is helping scientists at the Department of Energy's Oak Ridge National Laboratory gain a deeper understanding of how thermoelectric materials ...

Physics / Condensed Matter

created Jun 06, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

US energy use chart shows we waste more than half of our energy

(PhysOrg.com) -- This flow chart of the estimated US energy use in 2009, assembled by the Lawrence Livermore National Laboratory (LLNL), paints a pretty sobering picture of our energy situation. To begin with, ...

Technology / Energy & Green Tech

created Apr 09, 2011 | popularity 3.5 / 5 (27) | comments 101 | with audio podcast report

Discovery paves way for development of efficient, inexpensive plastic solar cells

Physicists at Rutgers University have discovered new properties in a material that could result in efficient and inexpensive plastic solar cells for pollution-free electricity production.

Nanotechnology / Nanomaterials

created Oct 10, 2010 | popularity 4.7 / 5 (20) | comments 6 | with audio podcast

Sunlight shines on clean energy future: Simple inorganic semiconductor - silver orthophosphate - used to oxidize water

(PhysOrg.com) -- The production of clean energy and the treatment of waste water are set to become easier thanks to Australian National University researchers.

Chemistry / Materials Science

created Jun 08, 2010 | popularity 4.4 / 5 (16) | comments 5 | with audio podcast

New neutron studies support magnetism's role in superconductors

(PhysOrg.com) -- Neutron scattering experiments performed at the Department of Energy's Oak Ridge National Laboratory give strong evidence that, if superconductivity is related to a material's magnetic properties, ...

Physics / Superconductivity

created Feb 02, 2010 | popularity 4.3 / 5 (12) | comments 5 | with audio podcast

New nanocrystals show potential for cheap lasers, new lighting

For more than a decade, scientists have been frustrated in their attempts to create continuously emitting light sources from individual molecules because of an optical quirk called "blinking," but now scientists ...

Nanotechnology / Nanophysics

created May 10, 2009 | popularity 4.8 / 5 (29) | comments 4

Study presents new insight into plant immunity

Researchers have identified an important cog in the molecular machinery of plant immunity - a discovery that could help crop breeders produce disease-resistant varieties to help ensure future food security. There may also ...

Biology / Biotechnology

created Oct 02, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Shortest-pulse X-ray beams could illuminate atomic, molecular interactions

(PhysOrg.com) -- Ultra-short X-ray beams produced at the University of Michigan could one day serve as more sensitive medical diagnostic tools, and they could work like strobe lights to allow researchers to ...

Physics / General Physics

created Nov 15, 2010 | popularity 4.6 / 5 (5) | comments 1 | with audio podcast

A blue gem for greener fuel

(PhysOrg.com) -- Sapphire, a brilliant blue gemstone most familiar in jewelry, may soon play an important part in making coal a cleaner fuel source.

Technology / Engineering

created Mar 19, 2010 | popularity 4.2 / 5 (9) | comments 0 | with audio podcast

A greener way to get electricity from natural gas

(PhysOrg.com) -- A new type of natural-gas electric power plant proposed by MIT researchers could provide electricity with zero carbon dioxide emissions to the atmosphere, at costs comparable to or less than ...

Technology / Energy & Green Tech

created Dec 03, 2009 | popularity 3.7 / 5 (16) | comments 9

Chemists synthesize fungal compound with anti-cancer activity

(PhysOrg.com) -- Ten years ago, William Fenical of the Scripps Institution of Oceanography isolated from an ocean-living fungus a compound that has since shown the ability to kill cancer cells in the lab. ...

Chemistry / Biochemistry

created Apr 26, 2009 | popularity 5 / 5 (4) | comments 0

A water splitter with a double role

(PhysOrg.com) -- There is a lot of hope invested in hydrogen, but it also presents some problems. It is energy-rich, clean and, as a constituent of water, of almost unlimited availability. However, so far ...

Physics / Soft Matter

created Mar 09, 2009 | popularity 4.5 / 5 (12) | comments 4