News tagged with tiny particles
Membrane filters are key to future of public water supply, scientists say
Apr 21, 2009 |
4.4 / 5 (5) |
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 ...
Deep-sea rocks point to early oxygen on Earth
Space & Earth / Earth Sciences
Mar 24, 2009 |
4.9 / 5 (14) |
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.
Researchers: Molecular forklifts overcome obstacle to 'smart dust'
Nanotechnology / Bio & Medicine
Jan 18, 2009 |
4.2 / 5 (5) |
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 ...
Six North American sites hold 12,900-year-old nanodiamond-rich soil
Nanotechnology / Nanomaterials
Jan 01, 2009 |
4.7 / 5 (15) |
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 ...
Search results for tiny particles
India's Tata launches low-cost water filter for rural poor
23 hours ago |
4.3 / 5 (3) |
1
India's giant Tata Group on Monday unveiled a new low-cost water purifier, hoping to do for health what it did for motoring and provide affordable, safe drinking water for millions and cut disease.
German researchers demonstrate diesel truck engine with barely measurable emissions
Dec 07, 2009 |
3.8 / 5 (6) |
1
Just three months after the Euro 5 Norm for exhaust emissions went into force for all new car models, researchers at the Technische Universitaet Muenchen (TUM, Germany) have demonstrated an engine that is ...
Physicist Jack Harris Is Honored by DARPA as One of Nation's 'Rising Stars'
Dec 04, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- Jack Harris, an associate professor of physics, has received one of this year's Young Faculty Awards (YFA) from the Defense Advanced Research Projects Agency (DARPA). He is one of 33 "rising stars" across ...
Blushing dusty nebula
Dec 01, 2009 |
4.5 / 5 (2) |
1
On Earth, we tend to find dust nothing more than a nuisance that blankets our furniture and causes us to sneeze. Cosmic dust can also be a hindrance to astronomers because cameras using visible light cannot ...
Nanowires key to future transistors, electronics
Nov 26, 2009 |
4.5 / 5 (11) |
2
(PhysOrg.com) -- A new generation of ultrasmall transistors and more powerful computer chips using tiny structures called semiconducting nanowires are closer to reality after a key discovery by researchers ...
Multitasking may be Achilles heel for hepatitis C
Nov 23, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- Hepatitis C, a formidable virus that affects 130 million people worldwide, is nursing some pretty impressive bruises. By knocking out sections and subsections of one of its proteins, scientists reveal weak ...
Beyond sunlight: Explorers census 17,650 ocean species between edge of darkness and black abyss (w/ Video)
Nov 22, 2009 |
4.9 / 5 (15) |
0
Census of Marine Life scientists have inventoried an astonishing abundance, diversity and distribution of deep sea species that have never known sunlight - creatures that somehow manage a living in a frigid ...
Cassini's Big Sky: The View from the Center of Our Solar System
Space & Earth / Space Exploration
Nov 20, 2009 |
4.8 / 5 (15) |
1
(PhysOrg.com) -- When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system.
Detecting the Undetectable in Prostate Cancer Testing
Nanotechnology / Bio & Medicine
Nov 18, 2009 |
4 / 5 (1) |
1
(PhysOrg.com) -- A team of Northwestern University researchers, using an extremely sensitive nanotechnology-based tool known as the biobarcode system, has detected previously undetectable levels of prostate-specific antigen ...
Small nanoparticles bring big improvement to medical imaging
Nanotechnology / Bio & Medicine
Nov 18, 2009 |
5 / 5 (3) |
0
If you're watching the complex processes in a living cell, it is easy to miss something important—especially if you are watching changes that take a long time to unfold and require high-spatial-resolution ...
List of search results for tiny particles
