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DESY Research Points to Liquid Oxygen in Earth’s Core

Using a special high-pressure chamber, scientists have discovered two new iron oxides in experiments at DESY's X-ray light source PETRA III and other facilities. The discovery points to a huge, hitherto unknown liquid oxygen source in the lower mantle of the Earth. The team, led by Dr. Elena Bykova from...
February 22, 2016
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Japanese Researchers Superconduct Graphene

Scientists in Japan have developed superconductive graphene, according to research published in ACS Nano. Graphene is a single-atomic carbon sheet with a hexagonal honeycomb network. Electrons in graphene take on a special electronic state called the Dirac-cone, where the electrons behave as if they have no mass. This allows the...
February 22, 2016
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NASA Introduces WFIRST, a “Wider Set of Eyes” on the Universe

After years of preparatory studies, NASA is formally starting an astrophysics mission designed to help unlock the secrets of the universe—the Wide Field Infrared Survey Telescope (WFIRST). With a view 100 times bigger than that of NASA’s Hubble Space Telescope, WFIRST will survey large regions of the sky in near-infrared...
February 18, 2016
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Gravitational Waves Detected 100 Years after Einstein’s Prediction

Scientists have for the first time observed ripples in the fabric of spacetime called gravitational waves, confirming a major prediction of Albert Einstein’s 1915 general theory of relativity and opening an unprecedented new window onto the cosmos. The discovery was made possible by the enhanced capabilities of Advanced LIGO, a...
February 16, 2016
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Researchers Designing Safer Cryotherapy Devices

Researchers at the University of Texas at Arlington and the University of Texas at Austin are developing a state-of-the-art cryotherapy device, one that can stimulate blood flow to keep tissue healthy and minimize potential side effects, and what are believed to be the first formal protocols for effective and safe...
February 11, 2016
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Cryofab Honored by Rothman Institute

The Rothman Institute has nominated Cryofab (CSA CSM), a manufacturer of cryogenic equipment, for New Jersey Family Business of the Year for 2015, recognizing the company's impact on the community and its perseverance, business success and commitment to family.
February 10, 2016

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Latest in Defining Cryogenics
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...
June 18, 2018
Defining Cryogenics

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,...
May 2, 2018
Defining Cryogenics

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...
March 6, 2018
Latest in Cryo Central
Cryo Central

Cryogenic Electronics

Randall Kirschman, consulting physicist, Mountain View, California ExtElect@gmail.com Cryogenic electronics—the operation of electronic devices, circuits, and systems at cryogenic temperatures—has been a valuable technology for decades. Cryogenic electronics (also referred to as low-temperature electronics, or cold electronics) can be based on semiconductive devices, on superconductive devices, or on a combination...
November 5, 2009
Cryo Central

Particle Physics: High Energy Physics

Cryogenics and High-Energy Physics 1. From symmetry magazine: http://www.symmetrymagazine.org/cms/?pid=1000627: Cryogenics is the study of how materials behave at temperatures near absolute zero. In high-energy particle accelerators, such frigid temperatures reduce the electrical resistance of wires in superconducting magnets, increasing the magnet strength and allowing faster particle acceleration. The same holds...
September 4, 2009
Cryo Central

HTS Degaussing Systems

From the Spring 2009 issue of Cold Facts (Volume 25, Number 2): Thanks to a joint project by the US Navy and a number of industry partners, high temperature superconducting (HTS) technology is now at the heart of an advanced degaussing system aboard the USS Higgins at the naval station...
July 8, 2009
Cryo Central

Magnetic Resonance Imaging

From http://www.superconductors.org: An area where superconductors can perform a life-saving function is in the field of biomagnetism. Doctors need a non-invasive means of determining what’s going on inside the human body. By impinging a strong superconductor-derived magnetic field into the body, hydrogen atoms that exist in the body’s water and...
July 8, 2009
Latest in Ask the Experts
Ask the Experts

Suppliers of regenerator materials

I was looking for suppliers of regenerator materials. Can you please provide a list of vendors for: • Lead spheres • Bronze screen discs • Rare earth materials and spheres Thank you in advance for any help you can provide.
January 8, 2014
Ask the Experts

Containing ice accumulation while recovering helium

We are implementing a system to recover helium from our Janis ST-500 continuous flow LHe cryostat. The recovery system uses standard 1/4″ plastic tubing, which we connect directly to the cryostat’s exhaust port. The problem with this setup is that the gas is still quite cold as it leaves the...
June 24, 2013