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News tagged with free atoms

Bouncing atoms may be the key to the future of gravimetry

(PhysOrg.com) -- When studying cold atoms, scientists often use magnetic or optical traps to keep the atoms in place. However, in some cases experimentalists want to study free atoms, avoiding the effects of a trap. "One ...

Physics / General Physics

created Apr 27, 2009 | popularity 4.2 / 5 (15) | comments 1 feature

Unpeeling atoms and molecules from the inside out

(PhysOrg.com) -- The first published scientific results from the world's most powerful hard X-ray laser, located at the Department of Energy's SLAC National Accelerator Laboratory, show its unique ability ...

Physics / General Physics

created Jun 30, 2010 | popularity 5 / 5 (15) | comments 5 | with audio podcast

Scientists take another step towards quantum computing using flawed diamonds

(PhysOrg.com) -- David D. Awschalom, of the Center for Spintronics and Quantum Computation, University of California, Santa Barbara, in a paper published recently in the Bulletin of the American Physical Society, describes a way ...

Physics / Quantum Physics

created Mar 29, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast report

'Superbowl' kicks off drug delivery revolution

Scientists from Australian National University have developed a 'Superbowl' drug delivery system that promises more accurate doses of drugs with fewer side effects.

Chemistry / Biochemistry

created Sep 14, 2010 | popularity not rated yet | comments 0 | with audio podcast

New structure could produce efficient semiconductor laser sources

(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...

Physics / General Physics

created Dec 14, 2009 | popularity 4.7 / 5 (3) | comments 1

Jet-propelled imaging for an ultrafast light source

John Spence, a physicist at Arizona State University, is a longtime user of the Advanced Light Source at Lawrence Berkeley National Laboratory, where he has contributed to major advances in lensless imaging. ...

Physics / General Physics

created Jul 29, 2009 | popularity 4.9 / 5 (11) | comments 1

World's best metronome enables slow-motion pictures of atoms and molecules

(PhysOrg.com) -- The world's most accurate metronome keeps stroke to an incredible 10 quintillionth of a second. The device enables slow-motion pictures from the world of molecules and atoms, scientists from the Center for ...

Physics / Optics & Photonics

created Jan 17, 2012 | popularity 5 / 5 (4) | comments 0

The interplay of dancing electrons

Negative ions play an important role in everything from how our bodies function to the structure of the universe. Scientists from the University of Gothenburg, Sweden, have now developed a new method that makes it possible ...

Physics / General Physics

created Nov 29, 2011 | popularity 4 / 5 (4) | comments 0

Putting artificial atoms on the clock

Around the turn of the century, scientists began to understand that atoms have discrete energy levels. Within the field of quantum physics, this sparked the development of quantum optics in which light is ...

Physics / General Physics

created Nov 07, 2011 | popularity 5 / 5 (1) | comments 0

Vessel to contain cosmic force takes shape

At the heart of most celestial objects is a dynamo. The Earth's dynamo, spun to life in the molten metal core of our planet, generates a magnetic field that helps us find north and, perhaps more critically, ...

Physics / Plasma Physics

created Jul 21, 2011 | popularity 4.4 / 5 (7) | comments 4

Launch of fourth LCLS instrument reveals crisp, fine molecular detail

The first set of user experiments with the Linac Coherent Light Source's newest instrument is under way, and about 40 researchers are working very long hours this week to decipher the structures of proteins ...

Physics / General Physics

created Feb 17, 2011 | popularity 5 / 5 (2) | comments 0

Dutch researchers build affordable alternative to mega-laser X-FEL

Stanford University in the USA has an X-FEL (X-ray Free Electron Laser) with a pricetag of hundreds of millions. It provides images of 'molecules in action', using a kilometer-long electron accelerator. Dutch ...

Physics / General Physics

created Dec 22, 2010 | popularity 4.7 / 5 (6) | comments 0

Jet-propelled Imaging for an Ultrafast Light Source

(PhysOrg.com) -- John Spence, a physicist at Arizona State University, is a longtime user of the Advanced Light Source at Lawrence Berkeley National Laboratory, where he has contributed to major advances in lensless imaging. ...

Physics / General Physics

created Aug 04, 2009 | popularity 5 / 5 (3) | comments 1

RIKEN, JASRI unveil 'SACLA', Japan's first X-ray free electron laser

RIKEN and the Japan Synchrotron Radiation Research Institute (JASRI) have cut the ribbon on a new cutting-edge X-ray Free Electron Laser (XFEL) facility in Harima, the first such facility in Japan and only ...

Physics / General Physics

created Apr 11, 2011 | popularity 5 / 5 (1) | comments 0