News tagged with frictionless flow

Putting the Pressure on Iron-Based Superconductors

(PhysOrg.com) -- Traditionally, magnetism and superconductivity don't mix. For more than 20 years, the only known superconductors that worked at so-called "high" temperatures (above 30 K, or about -406 degrees ...

Physics / Superconductivity

created Mar 05, 2009 | popularity 4.8 / 5 (9) | comments 3




Search results for frictionless flow


UA makes mirrors for world's largest telescope

(PhysOrg.com) -- The second of seven 27-foot diameter mirrors for the Giant Magellan Telescope was cast on Jan. 14 inside a rotating furnace at the UA's Steward Observatory Mirror Lab.

Space & Earth / Space Exploration

created Jan 18, 2012 | popularity 4.8 / 5 (5) | comments 1

Supersolid helium unlikely

(PhysOrg.com) -- Does helium-4 become a "supersolid" near absolute zero? What previous researchers thought might be a supersolid transition is better explained by changes in the solid's resistance to shearing, ...

Physics / General Physics

created May 17, 2011 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

The first non-trivial atom circuit: Progress towards an atom SQUID

(PhysOrg.com) -- Researchers from the National Institute of Standards and Technology and the University of Maryland have created the first nontrivial "atom circuit," a donut-shaped loop of ultracold gas atoms ...

Physics / General Physics

created Mar 31, 2011 | popularity 4 / 5 (5) | comments 1 | with audio podcast

Fahrenheit -459: Neutron stars and string theory in a lab

(PhysOrg.com) -- Using lasers to contain some ultra-chilled atoms, a team of scientists has measured the viscosity or stickiness of a gas often considered to be the sixth state of matter. The measurements ...

Physics / General Physics

created Dec 09, 2010 | popularity 4.8 / 5 (32) | comments 8 | with audio podcast

It's electrifying: Scientists use electric fields to control chemical reactions of ultracold molecules

Physicists at JILA have demonstrated a new tool for controlling ultracold gases and ultracold chemistry: electric fields.

Physics / General Physics

created Apr 28, 2010 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Frictionless supersolid a step closer

Superfluid mixtures of atoms can boil and freeze at ultra-low temperatures. This freezing can result in the formation of supersolids of atoms that can flow alongside each other without friction, but are still set in a fixed ...

Physics / General Physics

created Feb 14, 2010 | popularity 4 / 5 (2) | comments 6

Frozen helium-4 may be an unusual 'superglass'

(PhysOrg.com) -- When helium is cooled to around 4 degrees above absolute zero, it turns liquid. Make it a couple of degrees cooler, and it becomes a "superfluid" that flows without resistance from its container, ...

Physics / General Physics

created May 01, 2009 | popularity 4.3 / 5 (18) | comments 11

Flatland physics probes mysteries of superfluidity

(Physorg.com) -- If physicists lived in Flatland—the fictional two-dimensional world invented by Edwin Abbott in his 1884 novel—some of their quantum physics experiments would turn out differently (not just ...

Physics / General Physics

created Mar 25, 2009 | popularity 4.5 / 5 (8) | comments 3

Simply Weird Stuff: Making Supersolids with Ultracold Gas Atoms

Physicists at the Joint Quantum Institute (JQI) of the National Institute of Standards and Technology and the University of Maryland have proposed a recipe for turning ultracold “boson” atoms—the ingredients ...

Physics / General Physics

created Jan 13, 2009 | popularity 4.8 / 5 (11) | comments 3

Scientists Announce First Observation of ‘Persistent Flow’ in a Gas

Using laser light to stir an ultracold gas of atoms, researchers at the National Institute of Standards and Technology (NIST) and the Joint Quantum Institute (NIST/University of Maryland) have demonstrated ...

Physics / General Physics

created Nov 27, 2007 | popularity 4.4 / 5 (25) | comments 1


List of search results for frictionless flow