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SNOLAB Confirms Positive First Year of Dark Matter Research

Researchers at the underground SNOLAB in Ontario, Canada, operate its DEAP-3600 experiment and have released results from the team's first year collecting data on dark matter, confirming that the sensitive detector is working as anticipated.

Flow of Time Reversed on Quantum Computer

An international science team reports that it has successfully returned a computer briefly to the past. Such a result suggests new paths for exploring the backward flow of time in quantum systems and also opens the possibility for quantum computer program testing and error correction. Argonne National Laboratory (CSA CSM)...

Scientists Exploring How to Make the Large Hadron Collider Safer

An international research team headed by Russia's Ural Federal University has taken on the task of increasing the reliability of the Large Hadron Collider (LHC) and other complex facilities. Results from the group's experiment were recently published and include proposals for the "second-generation high-temperature superconductors at liquid nitrogen temperatures."

Scientists Chill Nanoelectronics Below a Thousandth of a Kelvin

Tiny electronic chips have been cooled to a record low temperature, dipping below a thousandth of a Kelvin during experiments conducted at Delft University of Technology in the Netherlands.

IBM and University of Chicago Collaborate to Advance Quantum Computing

A new research collaboration between the University of Chicago's Enabling Practical-Scale Quantum Computing (EPiQC) project and IBM is projected to bring quantum computing closer to the present by sharing resources and training the next generation of quantum computer scientists.

Biopsy Snap Frozen within Seconds

The standard procedure for rapid freezing a biopsy taken from a patient involves the use of liquid nitrogen. Such a procedure, however, is not allowed inside operating rooms, thus causing frequent challenges and delays. But researchers at the Netherlands' University of Twente have now developed a "snap freezing" apparatus that...

Latest in Defining Cryogenics

Regenerators

Regenerators or regenerative heat exchangers are a key component of cryocoolers such as pulse tube cryocoolers (Cold Facts, August 2014). Regenerator performance greatly affects the coefficient of performance of cryocoolers. Improvements in regenerator design and, in particular, regenerator materials have been an important factor in the improvement of the performance...

Pulse Tube Cryocoolers

The development of pulse tube cryocoolers has been a significant topic of research and development over the past 20 or so years. Pulse tube cryocoolers have a number of advantages over other types of cryocoolers and are now available commercially. In order to understand pulse tube cryocoolers, it’s best to...

Thermal Expansion

Thermal expansion refers to the change in size (length or volume) that a material undergoes as its temperature changes. In cryogenic systems this effect can be quite large and must be allowed for in the design. In isotropic materials, which include most engineering materials, the thermal expansion is the same...

Latest in Cryo Central

Cryogenic Treatment of Materials

F.J. Diekman Controlled Thermal Processing, Inc. info@metal-wear.com Cryogenic Processing (also called cryogenic treatment, and incorrectly “cryogenic tempering”) is a process that uses cryogenic temperatures to modify materials to enhance their performance. Cryogenic Processing involves the slow reduction in temperature of the material to at least -300°F (-185°C) and holding the...

Cryogenics in Space

Peter Kittel University of California-Berkeley pkittel@cal.berkeley.edu Space Cryogenics is the application of cryogenics to space missions. These applications fall into two broad areas, supporting space science missions and supporting the space transportation infrastructure. Science applications: The atmosphere is opaque to much of the electro-magnetic spectrum. In space, the absence of...

Cryosurgery

Review of Cryosurgery Boris Rubinsky, PhD Hebrew University School of Science and Engineering Research Center for Biomedical Engineering 78b Ross Building Givat Ram, Jerusalem 91904 Israel rubinsky@cs.huji.ac.il as published in Annual Review of Biomedical Engineering, August 2000, Vol. 2, pp. 157-187. Abstract: Cryosurgery is a surgical technique that employs freezing...

Liquefied Natural Gas

Liquefied Natural Gas as it relates to the Field of Cryogenics John W. Bonn VJ Systems, LLC johnbonn@vjsystems-lic.com Today the world is looking for a cleaner fuel and Liquefied Natural Gas (LNG) plays a large part in achieving this goal. LNG in a liquid form is at -162°C (-259°F) and...

Latest in Ask the Experts

An Issue of Pressure and Flow Rate in a Supply Tank

Please help solve this problem: A supply tank requires a vaporizer to generate sufficient pressure to pump stored fluid up into a vehicle or tank. The available head is limited as the tank level falls and it is important to minimize the system pressure drop to maintain the desired flow...

Using MLI on VJ Line Joints or Cryo Storage Tanks

When installing Multi Layer Insulation (MLI) blankets on VJ line joints or cryo storage tanks should they be wrapped and tied down tight or loose? These are usually pre-cut to size. Also should they have an access hole at the point of where the molecular sieve is installed to help...

Separated layers of ice over a pipe

I want to know that why there are different layers of ice over a pipe carrying a cryogenic fluid, each layer separated with clear marks / lines? What do these layers signify?

Using nitrogen as a cryogen

Is it possible to achieve -200˚C using nitrogen as a cryogen?

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