News tagged with tiny particles

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Six North American sites hold 12,900-year-old nanodiamond-rich soil

Nanotechnology / Nanomaterials

created Jan 01, 2009 | popularity 4.7 / 5 (15) | comments 1

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 ...


Deep-sea rocks point to early oxygen on Earth

Deep-sea rocks point to early oxygen on Earth

Space & Earth / Earth Sciences

created Mar 24, 2009 | popularity 4.9 / 5 (14) | comments 1

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.


Membrane filters are key to future of public water supply, scientists say

Chemistry / Other

created Apr 21, 2009 | popularity 4.4 / 5 (5) | comments 0

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 ...


Researchers: Molecular forklifts overcome obstacle to 'smart dust'

Nanotechnology / Bio & Medicine

created Jan 18, 2009 | popularity 4.2 / 5 (5) | comments 3

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 ...





Search results for tiny particles


Novel nanotechnology heals abscesses caused by resistant staph bacteria

Novel nanotechnology heals abscesses caused by resistant staph bacteria

Nanotechnology / Bio & Medicine

created Dec 22, 2009 | popularity 4.3 / 5 (3) | comments 0

Researchers at the Albert Einstein College of Medicine of Yeshiva University have developed a new approach for treating and healing skin abscesses caused by bacteria resistant to most antibiotics. The study ...


Glitter-sized solar photovoltaics produce competitive results

Glitter-sized solar photovoltaics produce competitive results

Technology / Energy

created Dec 22, 2009 | popularity 4.4 / 5 (32) | comments 0

Sandia National Laboratories scientists have developed tiny glitter-sized photovoltaic cells that could revolutionize the way solar energy is collected and used.


Tiny whispering gallery

Tiny whispering gallery: Sensor can detect a single nanoparticle and take its measurement

Physics / Optics & Photonics

created Dec 18, 2009 | popularity 4.7 / 5 (16) | comments 0

(PhysOrg.com) -- Nanotechnology has already made it to the shelves of your local pharmacy and grocery: nanoparticles are found in anti-odor socks, makeup, makeup remover, sunscreen, anti-graffiti paint, home ...


Brain surgery evolves to destroy rogue blood vessels

Medicine & Health / Research

created Dec 16, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Over three decades, a world-recognized medical team at UC San Diego Medical Center has spurred the evolution of a complex surgery to destroy dangerous clusters of arteries and veins in the brain. Integrating ...


Miracle light: Can lasers solve the energy crisis?

Technology / Energy

created Dec 15, 2009 | popularity 4.4 / 5 (14) | comments 4

Next year will mark the 50th birthday of the laser, one of the most productive and widely used mega-inventions of the last century. Scientists hope that 2010 also will see the launch of laser technology's greatest challenge: ...


Pollution alters isolated thunderstorms

Pollution alters isolated thunderstorms

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 3.2 / 5 (5) | comments 10

New climate research reveals how wind shear -- the same atmospheric conditions that cause bumpy airplane rides -- affects how pollution contributes to isolated thunderstorm clouds. Under strong wind shear ...


Queen Mary scientists shed light on a mysterious particle

Queen Mary scientists shed light on a mysterious particle

Physics / General Physics

created Dec 14, 2009 | popularity 3.6 / 5 (5) | comments 3

(PhysOrg.com) -- Physicists at Queen Mary, University of London have begun looking deep into the Earth to study some of nature's weirdest particles; neutrinos.


New Study Turns Up the Heat on Soot's Role in Himalayan Warming (w/ Video)

New Study Turns Up the Heat on Soot's Role in Himalayan Warming (w/ Video)

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Soot from fire in an unventilated fireplace wafts into a home and settles on the surfaces of floors and furniture. But with a quick fix to the chimney flue and some dusting, it bears no impact ...


Scientist uncovers relics of ancient cosmos

Scientist uncovers relics of ancient cosmos

Space & Earth / Space Exploration

created Dec 14, 2009 | popularity 4.5 / 5 (19) | comments 3

(PhysOrg.com) -- A University of Manchester scientist, working as part of an international team, has uncovered an unexpectedly rich trove of relicts from the ancient cosmos.


Nanoprobes hit targets in tumors, could lessen chemo side effects

Nanotechnology / Bio & Medicine

created Dec 14, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Tiny nanoprobes have shown to be effective in delivering cancer drugs more directly to tumor cells - mitigating the damage to nearby healthy cells - and Purdue University research has shown that the nanoprobes ...



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