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Superconducting Nanowires Enable Cooler Photon-Counting Electronics

References M. Castellani et al., “Nanocryotron ripple counter integrated with a superconducting nanowire single-photon detector for megapixel arrays,” Phys. Rev. Appl. 22, 024020 (2024). Image: This micrograph image shows a counting device for a single-photon detector. In this new design, both the detector and the signal processing electronics are fabricated from superconducting nanowires. Credit: M....

First Modern Liquid Oxygen Manufacturing Plant To Be Constructed At Tatu Industrial Park

Hewatele, a company based in Kenya that focuses on providing medical-grade oxygen and other healthcare solutions, held a groundbreaking ceremony for the construction of East Africa’s first modern liquid oxygen manufacturing plant, designed to address the rising demand for medical-grade liquid oxygen in healthcare facilities throughout the region. The advanced cryogenic medical...

Superconductor Offers Possible Room-Temperature Bridge

A new superconducting compound offers a bridge to more practical superconductors with a potentially attractive range of applications, according to new research. And the new material’s strange magnetic behavior recalls classic superconductors of decades ago—but this time in a material that’s already demonstrated its near-room-temperature bona fides. Lanthanum hydrides—which combine atoms of the...

How Low Can Temperature Go? Lord Kelvin and the Science of Absolute Zero

Temperature is probably the second most measured physical quantity in our modern world — after time. When I wake up in the morning, the first thing I usually check is the time (to see if I should go back to sleep), but the second thing I check is the temperature outside...

How Cryogenic Chip Cooling Could Aid Data Center Efficiency

CSA April Newsletter SponsorHigh-performance, highly reliable, long-lasting storage tanks for transporting hydrogen & helium molecules around the globe.https://www.gardnercryo.com [Contact Jamie Luedtke for Newsletter Sponsorship] Home About Membership Login Calendar Cold Facts Buyer’s Guide News Publications Cryo Careers Resources Donate Join now Log in Cryogenic Society of America, Inc. Twitter Facebook...

OPW Acquires Demaco in Cryogenics Consolidation

OPW announced today that it has completed the acquisition of Demaco, a provider of vacuum jacketed piping and other cryogenic equipment for gas producers, research institutions, EPC contractors, and end-users of liquefied gasses within various end-markets. Demaco will become part of the OPW Clean Energy Solutions business unit. Established in...

Latest in Defining Cryogenics

Joule-Thomson Effect

The Joule-Thomson (JT) effect is a thermodynamic process that occurs when a fluid expands from high pressure to low pressure at constant enthalpy (an isenthalpic process). Such a process can be approximated in the real world by expanding a fluid from high pressure to low pressure across a valve. Under...

Current Leads

One of the challenges of using superconducting magnets is the connection of the magnet to a room temperature power supply. This is accomplished via current leads. The trick is that current leads should ideally have a low heat leak, since they connect room temperature to cryogenic temperature, while at the...

Multilayer Insulation

Multilayer insulation (also referred to as superinsulation) is a key component in the reduction of heat leak to cryogenic systems due to thermal radiation. MLI consists of a series of uncooled reflective surfaces placed in the vacuum space between two surfaces, one warmer than the other. Generally speaking, for ideal...

Latest in Cryo Central

Primary Standards

Elie K. Track Hypres, Inc. elie@hypres.com http://www.hypres.com/ Primary standards involve the exact definition and realization of units of measurement for various quantities, time, length, mass, voltage, resistance, current, etc. International agreements based on the latest scientific knowledge define those units, and their realizations vary depending on the unit itself. For...

Shrink Fitting

Robin A. Rhodes Cryogenic Institute of New England, Inc. rrhodes@nitrofreeze.com Shrink fitting, (or “compression fitting” as it is sometimes called), is a method used to insert a pin or bushing into a housing or other assembly requiring an extremely tight tolerance fit. It can be used as an alternative to...

Telecommunications

From the Winter 2004 issue of Cold Facts magazine The recent M-Calc IV — 4th Industry Assessment workshop discussing military and commercial applications for low-cost cryocoolers, held in November in San Diego, highlighted progress being made in cryogenics as applied in telecommunications. The reliability and long lifetime of projects now...

Wind Tunnels

Dr. Robert Kilgore The development of the cryogenic wind tunnel is one of many significant breakthroughs in both cryogenics and wind-tunnel technology made during the past millennium. Interest in the development of high-speed commercial and military aircraft resulted in a review of problems of flow simulation in transonic wind tunnels...

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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