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
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
Recycled, reusable storm drain filter
(Phys.org) -- A team of students from the University of California, Riverside Bourns College of Engineering won the top prize at an international environmental design competition this month for a reusable ...
Apr 24, 2012 |
not rated yet |
0
Wanted: Censor for Pakistan's Internet
(AP) -- Pakistan is advertising for companies to install an Internet filtering system that could block up to 50 million Web addresses, alarming free speech activists who fear current censorship could become ...
Mar 08, 2012 |
5 / 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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Rules patchwork 'threatens cloud computing growth'
A global patchwork of conflicting laws and regulations could hobble the growth of the cloud computing market, according to a new study.
Feb 22, 2012 |
3 / 5 (1) |
0
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
Bacterial filters reduce stink from big pig factories
Concentrated animal feeding operations (CAFOs) on industrial animal factories can stink up an entire county, due to ammonia, and a smorgasbord of volatile organic compounds (VOCs). Jeppe Lund Nielsen of Aalborg University, ...
Dec 16, 2011 |
5 / 5 (2) |
0
Chinese go online to vent anger over pollution
Millions of Chinese went online Tuesday to vent their anger over the thick smog that has blanketed Beijing in recent days, raising health fears and causing hundreds of flights to be cancelled.
Dec 06, 2011 |
not rated yet |
2
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 ...
Nov 03, 2011 |
3.8 / 5 (12) |
7
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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Corning's 3Q profit rises 3 percent
(AP) -- Specialty glass maker Corning Inc. said Wednesday its profit rose 3 percent in the third quarter, lifted by surging sales of glass for flat-panel televisions and optical fiber.
Oct 26, 2011 |
not rated yet |
0
A substance from bacteria can lead to allergy-free sunscreen
As the realisation that radiation emitted by the sun can give rise to skin cancer has increased, so also has the use of sunscreen creams. These creams, however, can give rise to contact allergy when exposed to the sun, and ...
Oct 25, 2011 |
not rated yet |
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
Oct 07, 2011 |
4.8 / 5 (6) |
3
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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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