Airborne Particle Current Events | Airborne Particle News | 11
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Astronomers weigh neutrinos with the universe
Neutrinos, the lightest of the known elementary particles, weigh a billionth (one part in a thousand million) of a hydrogen atom at most, and can account for no more than one-fifth of the dark matter in the Universe, according to findings by astronomers in Cambridge, who used data from the Anglo-Australian telescope 2dF Galaxy Redshift Survey... view more... (2002-04-04)
Multi-laboratory study sizes up nanoparticle sizing
As a result of a major inter-laboratory study, the standards body ASTM International has been able to update its guidelines for a commonly used technique for measuring the size of nanoparticles in solutions. view more (2009-08-12)
Research advances on nanotech workplace health and safety
"Companies, workers and investors alike are being challenged by the uncertainties surrounding nanotechnology workplace safety. These uncertainties include lack of sound, scientific information on occupational risks, poorly determined perceptual risks, and hesitancy over nanotechnology oversight," according to co-authors Andrew Maynard... view more... (2007-01-18)
Loopy photons clarify 'spookiness' of quantum physics
Researchers at the National Institute of Standards and Technology (NIST) and the Joint Quantum Institute (NIST/University of Maryland) have developed a new method for creating pairs of entangled photons, particles of light whose properties are interlinked in a very unusual way dictated by the rules of quantum physics. view more (2008-03-19)
Tiny particles may pose threat to liver cells, say scientists
Researchers at the University of Edinburgh are to study the effects of nanoparticles on the liver. In a UK first, the scientists will assess whether nanoparticles -already found in pollution from traffic exhaust, but also used in making household goods such as paint, sunblock, food, cosmetics and clothes- can cause damage to the cells of the liver. view more (2006-04-05)
Researchers demonstrate use of gold nanoparticles for cancer detection
Binding gold nanoparticles to a specific antibody for cancer cells could make cancer detection much easier, say medical researchers from the University of California, San Francisco and Georgia Institute of Technology. view more (2005-06-03)
Theorists Reveal Path to True Muonium
True muonium, a long-theorized but never-seen atom, might be observed in future experiments, thanks to recent theoretical work by researchers at the Department of Energy's SLAC National Accelerator Laboratory and Arizona State University. view more (2009-06-01)
Voracious black holes hide their appetite in dusty galaxies
A UK-led team of astronomers reports that they have tracked down an elusive population of black holes growing rapidly hidden behind clouds of dust. view more (2005-08-08)
New observations show dynamic particle clumps in Saturn's A ring
New observations from the Cassini spacecraft now at Saturn indicate the particles comprising one of its most prominent rings are trapped in ever-changing clusters of debris that are regularly torn apart and reassembled by gravitational forces from the planet. view more (2005-09-06)
JHU-led team discovers exotic relatives of protons and neutrons
A team of scientists, including four at The Johns Hopkins University, has discovered two new subatomic particles, rare but important relatives of the familiar, commonplace proton and neutron. view more (2006-11-17)
NASA'S Dirty Secret: Moon Dust
The Apollo Moon missions of 1969-1972 all share a dirty secret. "The major issue the Apollo astronauts pointed out was dust, dust, dust," says Professor Larry Taylor, Director of the Planetary Geosciences Institute at the University of Tennessee. Fine as flour and rough as sandpaper, Moon dust caused 'lunar hay fever,' problems with... view more... (2008-09-29)
Grid Computing Steps up a Gear
UK plans for Grid computing changed gear this week. The pioneering European DataGrid (EDG) project came to a successful conclusion at the end of March, and on 1 April a new project, known as Enabling Grids for E-Science in Europe (EGEE), begins. The UK is a major player in both projects, providing key staff and developing crucial areas of the... view more... (2004-04-01)
INDOEX preliminary results
INDOEX - preliminary findings view more (1999-03-31)
INL-led team achieves nuclear fuel performance milestone
Researchers at the U.S. Department of Energy's Idaho National Laboratory, in partnership with three other science and engineering powerhouses, reached a major domestic milestone relating to nuclear fuel performance on March 8. view more (2008-03-11)
DZero finds evidence of rare single top quark; Observation marks a step closer to finding Higgs boson
Scientists of the DZero collaboration at the Department of Energy's Fermi National Accelerator Laboratory announced in a seminar at Fermilab on December 8, 2006 the first evidence of single top quarks produced in a rare subatomic process involving the weak nuclear force. view more (2006-12-18)
NYU researchers create method to precisely glue particles together on the micro- and nano-scale
Researchers at New York University have created a method to precisely bind nano- and micrometer-sized particles together into larger-scale structures with useful materials properties. view more (2009-06-15)
On chip separation: large molecules pass the speed camera first
What molecule or particle passes the finishline first? A good way to split a fluid sample into its separate parts is: organize a contest in a micro-channel. The largest parts will pass the optical detector first, the smaller ones follow at short distance. This principle of 'hydrodynamic chromatography' is now also possible on a chip. 'On-chip'... view more... (2002-12-10)
Simulations Illuminate Universe's First Twin Stars
The earliest stars in the universe formed not only as individuals, but sometimes also as twins, according to a paper published today in Science Express. view more (2009-07-10)
Nanospheres that block pain of sensitive teeth
Nanospheres could help dentists fill the tiny holes in our teeth that make them incredibly sensitive, and that cause severe pain for millions of adults and children worldwide. view more (2005-09-02)
Tiny crystals promise big benefits for solar technologies
Los Alamos National Laboratory scientists have discovered that a phenomenon called carrier multiplication, in which semiconductor nanocrystals respond to photons by producing multiple electrons, is applicable to a broader array of materials that previously thought. view more (2006-01-05)
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