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New Study Shows Ultracold Electrons Forming Quantum Fluid State

A research collaboration between Princeton University and the University of Texas-Austin has demonstrated that electrons kept at very low temperatures can spontaneously begin to travel in identical elliptical paths on the surface of a crystal of bismuth, forming a quantum fluid state. Such behavior was anticipated theoretically during the past...

Experiment Achieves Strongest Coupling Between Light and Matter

Researchers at the University of Waterloo's Institute for Quantum Computing (IQC) in Ontario recorded an interaction between light and matter 10 times larger than previously seen, a coupling between photons and qubits so strong, the group says, that it opens the door to a realm of physics and applications unattainable...

Ames Scientist Receives APS McGroddy Prize

The American Physical Society (APS) has awarded Professor Paul C. Canfield, a senior scientist at the US Department of Energy's Ames Laboratory, with its James C. McGroddy Prize for New Materials. Over the past three decades, he has helped discover, understand and optimize materials with ferromagnetic and superconducting states as...

CUORE Ready for First Cooldown

Deep within a mountain in Italy, scientists have finished assembling the Cryogenic Underground Observatory for Rare Events (CUORE) and are now preparing to cool its detector to operating temperature for the first time. More than one decade in the making, the experiment will look for a rare process thought to...

DOE to Invest $30 Million in Hydrogen and Fuel Cells

The Department of Energy has announced its intent to invest $30 million to advance fuel cell and hydrogen technologies. Associated projects, subject to appropriations, will leverage national lab consortia launched under DOE’s Energy Materials Network (EMN) this past year and will support President Obama’s Materials Genome Initiative and advanced manufacturing...

Hydrogen Power Ruled Feasible for High-Speed Ferry

Nearly two years ago, Sandia National Laboratories researchers Joe Pratt and Lennie Klebanoff set out to answer one not-so-simple question: Is it feasible to build and operate a high-speed passenger ferry solely powered by hydrogen fuel cells? The answer is yes.

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Stability

Stability refers to the ability of a device employing superconductors to remain in its superconducting state after part of the superconductor transitions back to its normal conducting state due to a disturbance. While the concept can apply to many superconducting devices—transmission lines, generators, motors, etc.—it is most commonly considered in...

Cable-in-Conduit Conductors

Cable-in-Conduit Conductors (CICC) are a common form of superconducting cable used in large-scale applications. There are several varieties of CICCs, but they all consist of many small, stabilized superconducting wires contained within a conduit through which a coolant (typically supercritical He II) flows. Figure 1 shows the cross section of...

Bayonet Coupling

A bayonet coupling is a demountable joint that allows for quick and easy connection and disconnection of cryogenic components, including transfer lines, cryostats, liquefiers and refrigerators. Bayonets provide a number of advantages, chief among them the ability to connect and disconnect the bayonets while components they connect are still at...

Air Separation and Liquefaction

by Nils Tellier, PE, President, EPSIM Corporation (CSA CSM) nils@epsim.us All illustrations courtesy EPSIM Corporation Background History of Air Separation and Liquefaction This section builds on a rich history of methods to develop deep refrigeration and cryogenic liquefaction during the 19th Century. You are encouraged to read Cryo Central’s History...

Bose-Einstein Condensate

A Bose-Einstein condensate, first proposed in 1925 by Albert Einstein based on work done by Satyendra Nath Bose (the same Bose from whom the term boson is derived), is a super-cold state of matter in which almost all of the individual atoms have “condensed” down to the lowest possible quantum...

Cold Technology for Pest Control

While it does not reach temperatures cold enough to be called cryogenic, carbon dioxide snow is at the heart of a new way of dealing with unwanted pests. It utilizes a quick freezing process that takes advantage of the properties of carbon dioxide snow and has a number of benefits...

Cryogenic Finishing

The following 3 articles discuss the uses and procedures of various type of cryogenic finishing. 1) By Robin A. Rhodes, Cryogenic Institute of New England, Inc. rrhodes@nitrofreeze.com Cryogenic Deflashing is employed to remove undesired residual mold flash that remains on molded parts after they are removed or ejected from the...