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Precision Measurement

Content About: Precision Measurement

Published: 03/14/2013 - 4:11pm Type of Content: Biblio
Published: 09/14/2015 - 7:39am Type of Content: Biblio
Published: 06/24/2013 - 12:26pm Type of Content: Research Areas

JILA plays an important role in the nation’s timekeeping by coordinating precision time transfer of atomic-clock time as determined by the NIST Time Scale. Located in Boulder, Colorado, the Time Scale uses nine atomic clocks and a complex measurement system to determine the exact time. It is calibrated by a cesium fountain atomic clock, which neither gains nor loses one second in 80 million...

Published: 06/03/2013 - 11:19am Type of Content: Biblio
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Electron Electric Dipole Moment

The Eric Cornell and Jun Ye groups are investigating whether the electron has an electric dipole moment (eEDM). An electric dipole moment is a measure of a tiny separation of positive and negative charges in a system. If the electron does have an electric dipole moment, it's a pretty darn small one.

But even a very small eEDM would...

Published: 04/11/2013 - 1:51pm Type of Content: Biblio
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Published: 08/20/2012 - 4:47pm Type of Content: Research Areas

Working in collaboration with researchers at the National Institute of Standards and Technology (NIST), JILA physicists are at the forefront of efforts to invent and refine precision measurement tools. These tools allow scientists to probe tiny structures inside living cells, study the properties of ultracold matter, monitor the dynamics of chemical reactions, directly measure the...

Published: 06/03/2013 - 10:50am Type of Content: Biblio
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Published: 10/19/2012 - 9:48am Type of Content: People - Faculty & Research Groups
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Published: 09/29/2005 - 6:00pm Type of Content: Article-Research Highlight

The race is on! Two mice chase one another around a curvy, roughly elliptical white stripe. But, the goal can't be the finish line – because there isn't one. Rather, the contest seems to be: Which mouse will stay on track for the longest time before spinning out of control? Of the two, one clearly "wags its tail" less as its phototransistor eyes guide it along the...

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