News tagged with tiny particles
Related topics: nanoparticles
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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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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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 |
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Six North American sites hold 12,900-year-old nanodiamond-rich soil
Abundant tiny particles of diamond dust exist in sediments dating to 12,900 years ago at six North American sites, adding strong evidence for Earth's impact with a rare swarm of carbon-and-water-rich comets or carbonaceous ...
Nanotechnology / Nanomaterials
Jan 01, 2009 |
4.8 / 5 (16) |
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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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Deep-sea rocks point to early oxygen on Earth
Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologists.
Space & Earth / Earth Sciences
Mar 24, 2009 |
4.9 / 5 (15) |
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As Arctic warms, increased shipping likely to accelerate climate change
As the ice-capped Arctic Ocean warms, ship traffic will increase at the top of the world. And if the sea ice continues to decline, a new route connecting international trading partners may emerge -- but not ...
Space & Earth / Earth Sciences
Oct 25, 2010 |
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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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Bubbles help break energy storage record for lithium-air batteries
Resembling broken eggshells, graphene structures built around bubbles produced a lithium-air battery with the highest energy capacity to date, according to scientists at Pacific Northwest National Laboratory ...
Nanotechnology / Nanomaterials
Nov 29, 2011 |
4.3 / 5 (9) |
1
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Bacterial communication could affect Earth's climate
(PhysOrg.com) -- Woods Hole Oceanographic Institution (WHOI) scientists have discovered that bacterial communication could have a significant impact on the planet's climate.
Space & Earth / Earth Sciences
Oct 12, 2011 |
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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 |
5 / 5 (7) |
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New research: Are global honey bee declines caused by diesel pollution?
Scientists are investigating a possible link between tiny particles of pollution found in diesel fumes and the global collapse of honey bee colonies.
Oct 07, 2011 |
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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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Flowing structures in soft crystals
What is common to blood, ink and gruel? They are all liquids in which tiny particles are suspended – so called “colloids”. In some of these liquids, the particles form groups (clusters), which ...
Aug 08, 2011 |
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