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Biomedical News Scientists Shine a Laser Through a Human Head It’s the first step toward an inexpensive new medical imager
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Scientists Shine a Laser Through a Human Head

The possible path of 50 photons sent through a human head from a laser [left, in red] to a detector [right, green]. Credit:  Extreme Light group/University of Glasgow    For the most part, anyone who wants to see what’s going on inside someone else’s brain has to make a trade-off when...
August 10, 2025
The National Radio Astronomy Observatory (NRAO) and Associated Universities, Inc. (AUI) are launching a two-year initiative to design a next-generation radio telescope with capabilities far beyond existing observatories. Building on the success of the NSF’s Karl G. Jansky Very Large Array (VLA), the proposed array—called the next-generation Very Large Array (ngVLA)—will feature over 200 antennas spanning the US desert southwest and northern Mexico. This facility aims to advance our understanding of planets, galaxies, black holes, and fundamental physics. Credit: Bill Saxton, NRAO/AUI/NSF
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NSF National Radio Astronomy Observatory and RIX Industries Join Forces to Revolutionize Cryogenic Cooling for the ngVLA Project

by RIX Industries Communications Team In a groundbreaking collaboration that could change the landscape of both scientific discovery and cryogenic technology, the U.S. National Science Foundation’s National Radio Astronomy Observatory (NSF NRAO) has teamed up with RIX Industries to develop cutting-edge cryogenic cooling solutions for the Next Generation Very Large...
July 15, 2025
A high precision accelerator cryomodule produced by Meyer Tool for use in a particle accelerator at Brookhaven National Lab. MTM’s fabrication expertise is trusted by national labs and quantum technology firms worldwide. Credit: Meyer Tool & Manufacturing, Inc.
News

Meyer Tool Builds the Impossible, Empowering Illinois Manufacturing

by Christian Cunningham, Meyer Tool & Manufacturing Inc. Meyer Tool & Manufacturing, Inc., a long-standing leader in cryogenic, pressure and vacuum technologies, has reached a major milestone in its growth journey. The Illinois Department of Commerce and Economic Opportunity (DCEO) recently approved the company for participation in the Manufacturing Illinois...
July 15, 2025
Figure 1: An artist's rendering of the COSI satellite. Credit: Northrop Grumman Systems Corporation
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Goddard Goings

An insight into past, present and future cryogenic missions where the Cryogenics and Fluids Branch at NASA Goddard Space Flight Center had or has a significant role. by Mark Kimball, Ph.D., Cryogenics and Fluids Branch, NASA Goddard Space Flight Center Readers of this column may recall last year’s recounting of...
July 15, 2025

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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

Magnetic Levitation

From http://www.superconductors.org. Magnetic-levitation is an application where superconductors perform extremely well. Transport vehicles such as trains can be made to “float” on strong superconducting magnets, virtually eliminating friction between the train and its tracks. Not only would conventional electromagnets waste much of the electrical energy as heat, they would have...
July 8, 2009
Cryo Central

Superconductivity

From Superpower website. History of Superconductivity Superconductivity was discovered in 1911 by the Dutch physicist, Heike Kammerlingh Onnes when he was able to liquefy helium by cooling it to 4 Kelvin, or -452°F. This enabled him to cool other materials close to absolute zero and investigate their electrical properties. He...
July 7, 2009
Cryo Central

Medical Applications of Cryogenics

Neutron Therapy Cryogenics is at the heart of nuclear accelerators. Accelerators such as Fermilab’s Tevatron make neutron therapy for cancer possible. From Fermilab Today 4/20/09: Fermilab currently offers neutron therapy. But staff at Fermilab designed and built the proton accelerator used by the nation’s first hospital-based treatment center to use...
April 28, 2009
Cryo Central

Nuclear Physics

Al Zeller National Superconducting Cyclotron Lab (NSCL) at Michigan State University zeller@nscl.msu.edu Cryogenics has a long history in nuclear physics. The technology has its origins in the use of cold traps for maintaining a vacuum, which is required to prevent beam loss and for generating high voltages used in acceleration....
April 18, 2008
Latest in Ask the Experts
Ask the Experts

Need help with calculating flow rate

I have to maintain a certain mass (some tons) at 100 K by circulating in it GHe (through apposite channels). How can I calculate the flow rate needed? I suppose that the delta T (T inlet and T outlet) and the heat load on the mass are necessary. Knowing the...
August 23, 2012