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Physics News

(showing 421 - 435 of 572)
Ytterbium Gains Ground in Quest for Next-Generation Atomic Clocks
Release Date: 08/11/2009

An experimental atomic clock based on ytterbium atoms is about four times more accurate than it was several years ago, giving it a precision … more

NIST Demonstrates Sustained Quantum Processing in Step Toward Building Quantum Computers
Release Date: 08/06/2009

NIST physicists demonstrated sustained, reliable quantum information processing in the ion trap at the left center of this photograph, improving … more

Physicists Find Way to Control Individual Bits in Quantum Computers
Release Date: 07/14/2009

Physicists at the National Institute of Standards and Technology (NIST) have overcome a hurdle in quantum computer development, having devised* a … more

NIST Develops Novel Ion Trap for Sensing Force and Light
Release Date: 06/30/2009

Miniature devices for trapping ions (electrically charged atoms) are common components in atomic clocks and quantum computing research. Now, a … more

Nonstick and Laser-safe Gold Aids Laser Trapping of Biomolecules
Release Date: 06/16/2009

Biophysicists long for an ideal material—something more structured and less sticky than a standard glass surface—to anchor and position individual … more

Shape Matters in the Case of Cobalt Nanoparticles
Release Date: 06/16/2009

Shape is turning out to be a particularly important feature of some commercially important nanoparticles - but in subtle ways. New studies* by … more

NIST Physicists Demonstrate Quantum Entanglement in Mechanical System
Release Date: 06/03/2009

BOULDER, Colo.—Physicists at the National Institute of Standards and Technology (NIST) have demonstrated entanglement—a phenomenon peculiar to the … more

Terahertz Waves Are Effective Probes for IC Heat Barriers
Release Date: 05/05/2009

By modifying a commonly used commercial infrared spectrometer to allow operation at long-wave terahertz frequencies, researchers at the National … more

NIST Physicists Win European and Optics Society Awards
Release Date: 05/05/2009

Jun Ye, a NIST Fellow working at JILA, a joint institute of NIST and the University of Colorado at Boulder, has received the 2009 European … more

NIST Physicist James Bergquist Elected to National Academy of Sciences
Release Date: 05/05/2009

James C. Bergquist Credit: NIST View hi-resolution image Physicist James C. Bergquist, a Fellow at the National Institute of Standards and … more

NIST Super-Sensors to Measure 'Signature' of Inflationary Universe
Release Date: 05/04/2009

BOULDER, Colo.—What happened in the first trillionth of a trillionth of a trillionth of a second after the Big Bang? Super-sensitive microwave … more

Measurement of ‘Forbidden’ Collisions Could Improve Atomic Clock Accuracy
Release Date: 04/21/2009

Physicists have measured and controlled seemingly forbidden collisions between neutral strontium atoms, a class of antisocial atoms known as … more

Scientists Give a Hand(edness) to the Search for Alien Life
Release Date: 04/21/2009

Light becomes polarized in detectable ways when reflected from chlorophyll and other chiral molecules necessary to life, so scientists working at … more

JILA/NIST Scientists Get a Grip on Colliding Fermions to Enhance Atomic Clock Accuracy
Release Date: 04/16/2009

BOULDER, Colo.—Physicists have measured and controlled seemingly forbidden collisions between neutral strontium atoms—a class of antisocial atoms … more

X Marks the Spot: Ions Coldly Go Through NIST Trap Junction
Release Date: 04/07/2009

The NIST X-trap is constructed from a sandwich of two diamond-shaped alumina wafers, visible in the right center of the top photo. The bottom … more

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