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The Computer Designed To Die In Microseconds

Scott Manley · 408.3K views · 2023-01-01 · 14:03

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Overview

Scott Manley tells the story of a computerized telemetry system built to sit at the heart of a nuclear test device in place of the plutonium pit, designed to transmit data in the microseconds before it was destroyed.

On Hacker News

HN mentions it only in passing, as a reference for instrumented dummy warheads and implosion-test data in nuclear-testing threads.

Discussed on HN; no positive recommendation is recorded in this export · HN mentions 2023–2025

Topics

Military history & warfareHistory of computingComputer architecture & CPUs
Search by tags
telemetrynuclear warheadlos alamosscott manleycomputer history

What people said

burnt-resistor · 2025-06 · Joke / meme

I wonder what PDC's test and warranty processes are. Hopefully, it's not like this: Customer: "Hello, can you hear me? I'd like a refund in gold or survival meals." Tech support: "Sorry, what?" Customer: "It didn't work!" Tech support: " Did you try turning it on and off again?" Customer: " There's nothing left to reset. There's no plug, button, wire, or electricity, only a smoking crater. But at least it should've last a few milliseconds." [0] Tech support: "I'm afraid I'm going to need a valid serial number, vendor ID, order number, and support contract PIN to proceed providing exceptional service." Customer: "Oh well, corporate tech support flowcharts strike again. It was worth a shot. Go into the wasteland in peace, my friend." 0. The Computer Designed To Die in Milliseconds (yt @scottmanley) [VIDEO]

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jjoonathan · 2023-10 · Reference

> undue delay related to aging circuitry So instead of a dumb inert core you use a smart inert core that broadcasts precise measurements of the implosion using fiber optics and triboluminescent capsules that flash as they are crushed. [VIDEO] But yes, I still share your overall concern even if we can push the question marks one step later in the delicate process.

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areoform · 2023-01 · Reference

Politely, this computer exists because the DoE performs stockpile stewardship. Less politely, it exists because of The Bombs. Everything else it will do is a hobby. It is specifically designed for whatever compute needs their classified program has. [LINK] [LINK] All of this capital is being spent because the test ban treaty prohibits the detonation of these weapons, but the US stockpile and its efficacy must be maintained and new weapons must be designed. So how do you know if an old weapon or a new design will work or not? Some part of the answer is real data + simulations. Lots and lots of simulations. It's why Frontier exists and why the DoE has pursued exascale compute for quite some time. (as for the real data part, it's why places like the National Ignition Factory exist, and why there's an active experimental program that exists to study dummy warheads in unexpected ways, [VIDEO] )

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Sources

Video by Scott Manley, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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