News tagged with filters
Scientists evaluate different antimicrobial metals for use in water filters
Porous ceramic water filters are often coated with colloidal silver, which prevents the growth of microbes trapped in the micro- and nano-scale pores of the filter. Other metals such as copper and zinc have also been shown ...
Nanotechnology / Bio & Medicine
May 24, 2012 |
4 / 5 (1) |
1
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.
Feb 23, 2012 |
4.9 / 5 (8) |
7
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Researchers create low-cost, effective method for measuring exposure to toxic metals
(Phys.org) -- Two Colorado State University professors have developed a simple, low-cost method of determining levels of heavy metals in contaminated air using filter paper, water and a little chemistry.
Chemistry / Analytical Chemistry
May 17, 2012 |
5 / 5 (1) |
0
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
Oct 07, 2011 |
4.8 / 5 (6) |
3
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Nanotech filter separates oil and water
(PhysOrg.com) -- Water and oil may not mix, but, like two boxers nearing the end of the final round, they can get awfully tangled up.
Nanotechnology / Nanomaterials
Apr 13, 2011 |
5 / 5 (4) |
2
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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
Aug 31, 2010 |
4.9 / 5 (22) |
12
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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.
Oct 25, 2009 |
4.9 / 5 (19) |
5
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 ...
Aug 24, 2010 |
4.9 / 5 (20) |
5
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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'.
Nov 05, 2010 |
4.6 / 5 (18) |
3
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EU court: Web sites need not check for IP breaches
A European Union court ruled Thursday that social networking sites cannot be compelled to install general filters to prevent the illegal trading of music and other copyrighted material.
Feb 16, 2012 |
4 / 5 (1) |
1
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 ...
Jun 07, 2010 |
4.6 / 5 (13) |
2
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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
Nov 20, 2009 |
4.7 / 5 (11) |
2
New material for air cleaner filters that captures flu viruses
With flu season just around the corner, scientists are reporting development of a new material for the fiber in face masks, air conditioning filters and air cleaning filters that captures influenza viruses ...
Nov 02, 2011 |
5 / 5 (5) |
2
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Membrane filters are key to future of public water supply, scientists say
As municipalities across the United States reduce their dependence on groundwater sources to mitigate environmental impacts like subsidence and flooding, there is a growing need for better purification processes to keep contaminants ...
Apr 21, 2009 |
4.4 / 5 (5) |
0
China cracks down on wi-fi in public spaces
China has ordered public spaces offering wi-fi web access to install costly software to enable police to identify people using the service, state media said Thursday.
Jul 28, 2011 |
1.5 / 5 (2) |
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