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High-speed filter uses electrified nanostructures to purify water at low cost

(PhysOrg.com) -- By dipping plain cotton cloth in a high-tech broth full of silver nanowires and carbon nanotubes, Stanford researchers have developed a new high-speed, low-cost filter that could easily be ...

Nanotechnology / Bio & Medicine

created Aug 31, 2010 | popularity 4.9 / 5 (22) | comments 12 | with audio podcast

Smallest U-M logo demonstrates advanced display technology

In a step toward more efficient, smaller and higher-definition display screens, a University of Michigan professor has developed a new type of color filter made of nano-thin sheets of metal with precisely ...

Nanotechnology / Nanophysics

created Aug 24, 2010 | popularity 4.9 / 5 (20) | comments 5 | with audio podcast

Mantis shrimps could show us the way to a better DVD

(PhysOrg.com) -- The remarkable eyes of a marine crustacean could inspire the next generation of DVD and CD players, according to a new study from the University of Bristol published today in Nature Photonics.

Physics / Optics & Photonics

created Oct 25, 2009 | popularity 4.9 / 5 (19) | comments 5

Scientists create world's first 'super-twisted' light

(PhysOrg.com) -- The research team at the University of Glasgow twisted the light like a corkscrew by using a polarising filter, before shining it onto a specially shaped piece of gold to create the world's first 'super twisting'.

Nanotechnology / Nanophysics

created Nov 05, 2010 | popularity 4.6 / 5 (18) | comments 3 | with audio podcast

Australian government to introduce Internet filter

(AP) -- Australia plans to introduce an Internet filtering system to block obscene and crime-linked Web sites despite concerns it will curtail freedoms and won't completely work.

Technology / Internet

created Dec 15, 2009 | popularity 3.6 / 5 (20) | comments 9

Polymer-based filter successfully cleans water, recovers oil in Gulf of Mexico test

In response to the massive oil leak in the Gulf of Mexico, a University of Pittsburgh engineering professor has developed a technique for separating oil from water via a cotton filter coated in a chemical polymer that blocks ...

Technology / Engineering

created Jun 07, 2010 | popularity 4.6 / 5 (13) | comments 2 | with audio podcast

Qualcomm's next e-book to use a mirasol display

(PhysOrg.com) -- Qualcomm subsidiary Mirasol is developing a new e-book reader with a color display that uses ambient light. The reader will be capable of displaying video smoothly, but the new features will ...

Electronics / Consumer & Gadgets

created Nov 20, 2009 | popularity 4.7 / 5 (11) | comments 2 weblog

Philips unveils revolutionary water disinfection solution

Philips Lighting has today announced the launch of a new, complete and innovative water disinfection solution, Philips InstantTrust. This solution is based on cutting-edge disinfection technology optimized ...

Technology / Engineering

created Nov 03, 2011 | popularity 3.8 / 5 (12) | comments 7

Metal nanoparticles shine with customizable color (w/ video)

(PhysOrg.com) -- Engineers at Harvard have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output.

Nanotechnology / Nanophysics

created Feb 23, 2012 | popularity 4.9 / 5 (8) | comments 7 | with audio podcast

Quantum technologies move a step closer with the demonstration of an 'entanglement' filter

(PhysOrg.com) -- A team of physicists and engineers has demonstrated an optical device that filters two particles of light (or photons) based on the correlations between their polarisation that are only allowed in the seemingly ...

Physics / General Physics

created Jan 22, 2009 | popularity 4.6 / 5 (8) | comments 0

Electrified nano filter promises to cut costs for clean drinking water

With almost one billion people lacking access to clean, safe drinking water, scientists are reporting development and successful initial tests of an inexpensive new filtering technology that kills up to 98 percent of disease-causing ...

Nanotechnology / Bio & Medicine

created Oct 13, 2010 | popularity 5 / 5 (7) | comments 0

Houseplants cut indoor ozone

Ozone, the main component of air pollution, or smog, is a highly reactive, colorless gas formed when oxygen reacts with other chemicals. Although ozone pollution is most often associated with outdoor air, ...

Space & Earth / Environment

created Sep 08, 2009 | popularity 4.8 / 5 (6) | comments 1

Colored solar cells could make display screens more efficient

(PhysOrg.com) -- A new kind of screen pixel doubles as a solar cell and could boost the energy efficiency of cell phones and e-readers. The technology could also potentially be used in larger displays to make ...

Nanotechnology / Nanomaterials

created Oct 07, 2011 | popularity 4.8 / 5 (6) | comments 3 | with audio podcast

Australia PM backs controversial Web filter

Australian Prime Minister Julia Gillard Tuesday renewed her backing for a controversial Internet filter, saying it was driven by a "moral question".

Technology / Internet

created Oct 12, 2010 | popularity 4.5 / 5 (6) | comments 10

Trumping the trumpets: How audio engineering helps tone down vuvuzela disruption (w/ Video)

(PhysOrg.com) -- Thanks to researchers at the Centre for Digital Music (C4DM) at Queen Mary, University of London, anyone watching the World Cup on their computer can now filter out the droning sounds of vuvuzela ...

Technology / Computer Sciences

created Jun 21, 2010 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast