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Neutron movie of coffee making

Anders Kaestner · 133.1K views · 2012-01-18 · 1:03

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Overview

A short film made with cold neutron imaging at the Paul Scherrer Institut showing a moka pot brewing coffee, sped up four times. The neutron beam makes the water and steam inside the pot visible.

On Hacker News

Recommended in moka pot threads as the best way to see how the pot works from the inside.

Recommended by 3 HN people across 3 months · HN mentions 2021–2024

Topics

Everyday physics & science demosCooking & food
Search by tags
neutron imagingmoka potcoffeephysicsvisualization

What people said

jarvist · 2024-01 · Strong recommendation

There's also a fantastic Youtube video in a neutron beam facility of a Moka pot, in which you can see the full process of brewing. The water and plastic handle appear 'black' as hydrogen scatters neutrons so strongly. [VIDEO]

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msds · 2023-09 · Recommendation

CT is the wrong imaging tech for Moka pots at least - they're much cooler looking if you're doing neutron imaging and can see the water: [VIDEO]

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simon_acca · 2021-11 · Recommendation

For anybody wondering how a moka pot works, have a look at this neutron imaging of the pot in action: [VIDEO]

Read the original HN comment ↗

Sources

Video by Anders Kaestner, played through YouTube.

Data and selection notes

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

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