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Scientists make atomic clock breakthrough
10-12-2006 · EurekAlert!In a battle against time, a team of researchers at the University of Nevada, Reno have helped the world tell time more accurately.
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- Scientists Make Atomic Clock Breakthrough
10-13-2006 · ScienceDaily
Andrei Derevianko, Kyle Beloy, and Ulyana Safronova sat down six months ago and began work on a calculation that will help the world keep better time. In competition with scientists at the University of New South Wales, the University team led by associate professor Derevianko conducted research that increased the accuracy of atomic clocks, and they did it without running a single experiment.
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- BCM, Rice make major advance in structural biology
04-30-2007 · EurekAlert!
Scientists from Baylor College of Medicine and Rice University have discovered a new way to analyze the moving parts of large proteins -- a breakthrough that will make it easier for structural biologists to classify and scrutinize the active sites of proteins implicated in cancer and other diseases. The research will appear in the Proceedings of the National Academy of Science.
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- Atomic clock signals may be best shared by fiber-optics
03-02-2007 · EurekAlert!
Time and frequency information can be transferred between laboratories or to other users in several ways, often using the Global Positioning System (GPS), but today's best atomic clocks are so accurate that more stable methods are needed. The best solution may be to use lasers to transfer data over fiber-optic cables, according to scientists at JILA.
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- Doomsday clock moves forward 2 minutes
01-17-2007 · EurekAlert!
The Bulletin of the Atomic Scientists (BAS) is moving the minute hand of the Doomsday Clock on January 17, 2007, from seven to five minutes to midnight. Reflecting global failures to solve the problems posed by nuclear weapons and the climate crisis, the decision by the BAS Board of Directors was made in consultation with the Bulletin's Board of Sponsors, which includes 18 Nobel Laureates.
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- Rice scientists make breakthrough in single-molecule sensing
02-06-2008 · EurekAlert!
In a study that could lay the foundation for mass-produced single-molecule sensors, physicists and engineers at Rice University have demonstrated a means of simultaneously making optical and electronic measurements of the same molecule. While scientists have used electronic and optical instruments to measure single molecules before, Rice's system is the first that allows both simultaneously -- a process known as "multimodal" sensing -- on a single small molecule. The results appear in Nano Letters.
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- New reagent delivers a chemical breakthrough at FSU
03-15-2007 · EurekAlert!
"Build a better mousetrap," the saying goes, "and the world will beat a path to your door." In the complex field of organic chemistry, that path leads to Florida State University, where a newly developed substance could make the jobs of scientists throughout the world a little easier as they work to develop new drugs and other chemicals that benefit humanity.
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- Stem cells give clues to understanding cancer and make breakthrough in childhood leukaemia
02-13-2008 · EurekAlert!
Scientists in Switzerland are uncovering new clues about how cancer cells grow -- and how they can be killed -- by studying stem cells, 'blank' cells that have the potential to develop into fully mature or 'differentiated' cells and other scientists in UK have made a breakthrough in understanding the cause of the most common form of childhood cancer, acute lymphoblastic leukaemia.
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- Strontium atomic clock demonstrates super-fine 'ticks'
11-30-2006 · EurekAlert!
Using an ultra-stable laser to manipulate strontium atoms trapped in a "lattice" made of light, scientists at JILA (a joint institute of NIST and the University of Colorado at Boulder) have demonstrated the capability to produce the most precise "ticks" ever recorded in an optical atomic clock—techniques that may be useful in time keeping, precision measurements of high frequencies, and quantum computers using neutral atoms as bits of information.
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- Clock comparison yields clues to 'constant' change
02-15-2007 · EurekAlert!
Years of comparisons among the world's best atomic clocks -- based on different atoms -- have established the most precise limits ever achieved in the laboratory for detecting possible changes in so-called 'constants' of nature. The comparisons at NIST may help scientists test the latest theories in physics and develop a more complete understanding of the history of the universe.
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- Collaboration helps make JILA strontium atomic clock 'best in class'
02-14-2008 · EurekAlert!
A next-generation atomic clock that tops previous records for accuracy in clocks based on neutral atoms has been demonstrated by physicists at JILA, a joint institute of the Commerce Department's National Institute of Standards and Technology and the University of Colorado at Boulder.
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