2026-02-05 20:09:03
Cryogenics and the use of superfluid helium in high-energy particle accelerators (1980-2000)
Philippe Lebrun
https://arxiv.org/abs/2602.14298 https://arxiv.org/pdf/2602.14298 https://arxiv.org/html/2602.14298
arXiv:2602.14298v1 Announce Type: new
Abstract: The period 1980-2000 saw the impressive development of applied superconductivity in high-energy particle accelerators, from single components to long strings of superconducting magnets and high-frequency acceleration cavities. Large and powerful cryogenic systems were designed ancillary to superconducting devices operating generally close to the normal boiling point of helium, but also above 4.2 K in supercritical and below 2 K in superfluid. Low-temperature operation in accelerators also involves considerations of ultra-high vacuum, limited stored energy and beam stability. We recall the rationale for cryogenics in high-energy particle accelerators and review its development over the period of interest, with reference to the main engineering domains of cryostat design and heat loads, cooling schemes, efficient power refrigeration and cryogenic fluid management. In view of its importance and novelty, a specific section is devoted to the developments that led to the LHC at CERN.
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Anthropic details how it used 16 parallel Claude Opus 4.6 agents to build a Rust-based 100,000-line C compiler, incurring ~$20K in API costs over 2,000 sessions (Anthropic)
https://www.anthropic.com/engineering/building-c-compiler
Jimi Hendrix Was a Systems Engineer - IEEE Spectrum
https://spectrum.ieee.org/jimi-hendrix-systems-engineer
One of the weirder cold contacts I've gotten:
> I cannot write this email opener.
>
> The research signals explicitly disqualify this contact and company. City of Cape Town operates municipal infrastructure (water, sanitation, electricity, waste) with no database technology stack, distributed systems, or data engineering workloads that align with <cold email org>'s offerings.
Misfiring LLM or some dark pattern, Edgelord nonsense?!?
Caitlin Kalinowski, OpenAI's head of hardware and robotic engineering, resigns citing concerns over domestic surveillance and lethal autonomous weapons systems (Sharon Goldman/Fortune)
https://fortune.com/2026/03/07/openai-…
🫦 Researchers pioneer pathway to mechanical intelligence by breaking symmetry in soft composite materials
https://techxplore.com/news/2025-11-pathway-mechanical-intelligence-symmetry-soft.html
"A thoughtful walk through … FreeBSD 15.0—its design, discipline, and why composable systems still matter.
FreeBSD 15.0 quietly advances security, adapts to change with finesse, and reflects solid, intentional engineering. It powers some of the most flexible firewalls in use today and enables forward-looking filesystem design. It does not claim perfection, yet it consistently moves toward it. FreeBSD does not chase trends, influencers, or corporate fashion cycles. It focuses on doing …
When we try to formalize a neuron computationally, we don't translate biology into code—we perform a violent collapse.
https://www.ocrampal.com/what-a-neuron-teaches-us-about-computations-limits/
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