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Seeking the Sounds of Superfluids at Swinburne University

An Australian study headed by Swinburne University and published in late March in Physical Review Letters examines the propagation of energy as sound waves in a quantum gas, revealing for the first time strong variations in the nature of sound waves as a function of temperature. Sound waves reveal the...

The Space Station’s Coolest Experiment Gets Astronaut-Assisted Upgrade

ASA’s Cold Atom Laboratory, a facility for fundamental physics experiments on the International Space Station, underwent a major hardware upgrade with the help of astronauts Christina Koch and Jessica Meir in January. By chilling atom clouds to just above absolute zero—the lowest temperature matter can reach—Cold Atom Lab enables scientists...

CERN Demonstrator Magnet Produces a Record Magnetic Field

In February at CERN, a demonstrator magnet using superconducting niobium-tin, cooled to 1.9 kelvins achieved a peak magnetic field of 16.5 tesla on the conductor, exceeding the previous record of 16.2 tesla from 2015. The demonstrator, known as an enhanced Racetrack Model Coil (eRMC) magnet, consists of two superimposed flat...

ITER Cryostat Base Positioned; Project 70% Prepared for First Plasma

On May 26, the soup-bowl-shaped base of the ITER cryostat was gradually lifted from its frame, carried across the Assembly Hall to the Tokamak Building and eventually lowered into the Tokamak assembly pit. In a delicate lifting operation, the cryostat base descended into the deep concrete cylinder of the tokamak...

AFCryo, Cryomech Collaborate to Provide Helium Recovery, LN2 Generation

Beginning last year, AFCryo (CSA CSM), a division of Fabrum Solutions, and Cryomech (CSA CSM) worked collaboratively to design and supply a helium recovery system and a liquid nitrogen generation system at the nuclear magnetic resonance (NMR) laboratory at Victoria University of Wellington, New Zealand. While both companies produce cryocoolers...

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Helium II

Helium II (He II) refers to the second liquid phase of the most abundant helium isotope (4He). Helium II is also referred to as superfluid helium. Helium II occurs once the temperature of the liquid helium drops below 2.17K. The phase transition between the first liquid phase of Helium (referred...

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...

Seeking alloy that keeps elastic property down to 10K

I am looking for a metal (alloy) that supports high temperatures (at least 1600K) and keeps its elastic property at low temperatures down to 10K. Rhenium is a good one because it does not become brittle. But it is quite expensive. Pure tungsten and molybdenum enter in the brittle regime...

Searching for a freezer that does not need electricity

I’m student of University of Barcelona. We do technical cryogenic research and we are searching for a cryogenic portable freezer that does not need electricity. We can’t find any company that offers something like this. The product we are looking for is the typical portable freezer for food or drinks...