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    Seymour Cray's Only Surviving Talk: "Cray-1 Introduction" (1976, LANL)

    UC Berkeley Events

    1 HN recommender · recommended in 3 months, 2016–2026

    YouTube

    1:02:09 · 59K views · Sep 17, 2010

    Seymour Cray's only surviving recorded talk, introducing the Cray-1 supercomputer in 1976. He describes the machine's design, including its vector architecture and cooling through the frame.

    Cited as a rare first-hand account from Cray, loved for details like the aluminum machining invented to carry Freon through the frame.

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    3 comments from Hacker News

    1. @themafiaJan 2026· in “The Cray-1 Computer System (1977) [pdf]”

      Cray himself. Here's a talk about designing it. My favorite part is his description of the aluminum machining they had to invent in order to move the freon through the frame to keep the machine from melting. It's a great talk. this video

      Strongly recommendsView on HN
    2. @akira2501Dec 2023· in “How thermal management is changing in the age of the kilowatt chip”

      It reminds me of Seymour Cray's solution. Well, series of solutions, to run Freon directly through the frame of the Cray-1. this video

      CitesView on HN
    3. @davidf18May 2016· in “Seymour Cray Obituary by John Markoff (1996)”

      This is the Watson "janitor" letter: [LINK] Here is a talk of his: this video Bill Norris mentioned was the CEO of CDC.

      CitesView on HN