News tagged with tiny particles
Related topics: nanoparticles
Synthetic nano-waste does not disappear
(Phys.org) -- Tiny particles of cerium oxide do not burn or change in the heat of a waste incineration plant. They remain intact on combustion residues or in the incineration system, as a new study by Swiss ...
Nanotechnology / Bio & Medicine
May 25, 2012 |
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'Metamaterials,' quantum dots show promise for new technologies
(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...
May 24, 2012 |
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Pollution teams with thunderclouds to warm atmosphere
Pollution is warming the atmosphere through summer thunderstorm clouds, according to a computational study published May 10 in Geophysical Research Letters. How much the warming effect of these clouds offsets the cooling that o ...
Space & Earth / Earth Sciences
May 18, 2012 |
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Blocked holes can enhance rather than stop light going through
Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing ...
Nov 22, 2011 |
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NOAA study suggests aerosols might be inhibiting global warming
(PhysOrg.com) -- A new study led by the U.S, National Oceanic and Atmospheric Administration (NOAA) shows that tiny particles that make their way all the way up into the stratosphere may be offsetting a global ...
Space & Earth / Earth Sciences
Jul 22, 2011 |
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Nanoparticles offer hope for common skin allergy
Tiny particles only billionths of a meter in diameter—about two thousand would fit across the width of a human hair—could offer big hope in a small package to the many millions of people who are ...
Nanotechnology / Bio & Medicine
Apr 03, 2011 |
3 / 5 (2) |
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Physicists prove Einstein wrong with observation of instantaneous velocity in Brownian particles
A century after Albert Einstein said we would never be able to observe the instantaneous velocity of tiny particles as they randomly shake and shimmy, so called Brownian motion, physicist Mark Raizen and his ...
May 20, 2010 |
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Laser, electric fields combined for new 'lab-on-chip' technologies
(PhysOrg.com) -- Researchers are developing new technologies that combine a laser and electric fields to manipulate fluids and tiny particles such as bacteria, viruses and DNA for a range of potential applications, ...
Jul 05, 2011 |
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Creating nanostructures from the bottom up
Microscopic particles are being coaxed by Duke University engineers to assemble themselves into larger crystalline structures by the use of varying concentrations of microscopic particles and magnetic fields.
Apr 24, 2012 |
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Unexpected ice-formation mechanism
(PhysOrg.com) -- Extremely hydrophobic materials cause water to roll right off objects that have been coated with them. Up to now, it was assumed that aircraft or wind turbines coated in such a way did not ...
Jan 18, 2012 |
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Researchers show influence of nanoparticles on nutrient absorption
Nanoparticles are everywhere. From cosmetics and clothes, to soda and snacks. But as versatile as they are, nanoparticles also have a downside, say researchers at Binghamton University and Cornell University ...
Nanotechnology / Bio & Medicine
Mar 08, 2012 |
4.3 / 5 (7) |
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Nanoparticles home in on brain tumors, boost accuracy of surgical removal
Like special-forces troops laser-tagging targets for a bomber pilot, tiny particles that can be imaged three different ways at once have enabled Stanford University School of Medicine scientists to remove brain tumors from ...
Nanotechnology / Bio & Medicine
Apr 15, 2012 |
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Aerosols May Drive a Significant Portion of Arctic Warming
(PhysOrg.com) -- Though greenhouse gases are invariably at the center of discussions about global climate change, new NASA research suggests that much of the atmospheric warming observed in the Arctic since ...
Space & Earth / Earth Sciences
Apr 08, 2009 |
4.3 / 5 (19) |
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Nanocups brim with potential: Light-bending metamaterial could lead to superlenses, invisibility cloaks
Researchers at Rice University have created a metamaterial that could light the way toward high-powered optics, ultra-efficient solar cells and even cloaking devices.
Mar 13, 2009 |
4.8 / 5 (13) |
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Carbon nanoparticles break barriers -- and that may not be good
A study by researchers from the schools of science and medicine at Indiana University-Purdue University Indianapolis examines the effects of carbon nanoparticles (CNPs) on living cells. This work is among ...
Nanotechnology / Bio & Medicine
Sep 15, 2011 |
5 / 5 (8) |
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