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- Lasers for analyzing our breath?
- According to the Optical Society of America OSA, U.S. researchers have shown it is possible to use lasers to analyze our breath to detect diseases such as asthma or cancer. This technique -- hold your breath -- is called 'cavity-enhanced direct optical frequency comb spectroscopy.' It is based on research...
- Tags: Breath, Laser, Molecule, Roland Piquepaille
- Blog posts 2008-02-19
- Keeping time with a mercury atom
- The National Institute of Standards and Technology NIST has announced that a new experimental atomic clock based on a single mercury atom is now at least five times more precise than NIST-F1, the U.S. standard clock. This mercury atomic clock "would neither gain nor lose a second in about 400...
- Tags: NIST, atom, mercury
- Blog posts 2006-07-15
- Atoms collide like tennis balls
- A team of physicists at JILA, a joint institute of the National Institute of Standards and Technology NIST and the University of Colorado at Boulder, has used ultrafast lasers to look at atoms during collisions lasting just half a picosecond trillionth of a second. And they were able to confirm...
- Tags: atom
- Blog posts 2005-10-24
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