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A final answer on how high-temperature superconductors don’t work?

For decades, physicists have debated the origins of high-temperature superconductivity—the ability of some materials to carry electricity without resistance at temperatures up to 138 kelvin. Now, new data nix one possible explanation, albeit a less popular one, a team claims. If the finding holds up, it would sever any connection...

Leon M. Lederman receives 2012 Vannevar Bush Award

The National Science Board (NSB) announced on March 26 that Nobel laureate, Leon Lederman, is the 2012 recipient of its Vannevar Bush Award.

Copper-based materials show strange spin states

Just as water, ice, and steam are all phases of the same material that are influenced by temperature and pressure, new research shows how transitions of state work in very simple lattices primarily composed of copper.

Neutrons uncover new density waves in fermion liquids

Scientists working at the Institut Laue-Langevin, the world’s flagship center for neutron science, have carried out the first investigation of two-dimensional fermion liquids using neutron scattering, and discovered a new type of very short wave-length density wave.

Air Liquide and Astrium create EuroCryospace

Air Liquide and Astrium have announced the creation of EuroCryospace, the new European expansion of Cryospace, created nearly 25 years ago by both companies, for the development and production of Ariane cryogenic tanks.

MicroBooNE begins construction, elects co-spokesperson

Fermilab's neutrino experiment, MicroBooNE, is beginning the full construction phase for the detector, after DOE announced the official Critical Decision 3b approval on March 29.

Latest in Defining Cryogenics

Dewar

A dewar is a type of cryostat named after Sir James Dewar, the researcher who first developed the concept of a vacuum insulated container with silvered walls to reflect thermal radiation. Dewar was the first to liquefy hydrogen, and he created the device to store his discovery. The thermos bottle...

Stirling and Gifford-McMahon Cryocoolers

Stirling and Gifford-McMahon (GM) cryocoolers are two of the most commonly used cryocoolers in cryogenics. Both devices have a significant industrial base and operate at a wide range of temperatures and capacities. The thermodynamic cycles for both of these cryocoolers are quite similar. The Stirling cycle consists of a compressor,...

Liquefied Natural Gas (LNG)

A significant commercial application of cryogenics is the liquefaction, transport and storage of natural gas. Liquefied Natural Gas (LNG) is generally 95 percent methane with a few percent ethane and much lower concentrations of propane and butane. LNG liquefies at 111.6 K. Unlike many applications of cryogenics, the motivation for...

Latest in Cryo Central

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...

Latest in Ask the Experts

Convert PSI or Torr to Degrees Kelvin?

When using helium vapor bulbs under 30K, what is the formula to convert from PSI or Torr to degrees Kelvin?

Searching for a company to make a specific kind of cryogenic chamber

I am writing a proposal to do some deep space simulations of mechanical vibrations at cryogenic temperatures. For the research, I will need to obtain a chamber that has a space of approximately 1700 cubic inches (or a 12in. cube) that also has an optical viewing window.

Cryogenic cooling as possible treatment of aluminum parts for semiconductor industry

I’m interested in cryogenic cooling as a possible treatment of aluminum parts for the semiconductor industry.

Calibration curve for pt100 below 70K?

Does anyone have a calibration curve for pt100 below 70K?

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