News tagged with tiny particles
Related topics: nanoparticles
Seasonal pollution changes over India tracked by NASA
Data from the Multi-angle Imaging Spectroradiometer (MISR) instrument on NASA's Terra spacecraft have been used in a groundbreaking new university study that examines the concentration, distribution and composition ...
Space & Earth / Earth Sciences
Sep 16, 2010 |
4 / 5 (1) |
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Satellite data reveal seasonal pollution changes over India
Armed with a decade's worth of satellite data, University of Illinois atmospheric scientists have documented some surprising trends in aerosol pollution concentration, distribution and composition over the ...
Space & Earth / Earth Sciences
Sep 08, 2010 |
4.5 / 5 (2) |
0
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 |
4.5 / 5 (44) |
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Oil spill may endanger human health, officials say
(AP) -- With a huge and unpredictable oil slick drifting in the Gulf of Mexico, state and federal authorities are preparing to deal with a variety of hazards to human health if and when the full brunt of ...
May 07, 2010 |
5 / 5 (1) |
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New imaging technology brings trace chemicals into focus (w/ Video)
(PhysOrg.com) -- Arizona State Univeristy scientist N.J. Tao and his colleagues at the Biodesign Institute have hit on a new, versatile method to significantly improve the detection of trace chemicals important ...
Chemistry / Analytical Chemistry
Mar 11, 2010 |
4 / 5 (1) |
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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) |
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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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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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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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Researchers: Molecular forklifts overcome obstacle to 'smart dust'
Algae is a livid green giveaway of nutrient pollution in a lake. Scientists would love to reproduce that action in tiny particles that would turn different colors if exposed to biological weapons, food spoilage or signs of ...
Nanotechnology / Bio & Medicine
Jan 18, 2009 |
4.2 / 5 (5) |
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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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