Can you fold paper more than 7 times with hydraulic press

Hydraulic Press Channel · 27M views · 2015-10-31 · 3:23

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Overview

The Hydraulic Press Channel folds an A3 sheet of paper past the supposed seven-fold limit and then crushes it with a press. It is a short, quirky experiment.

On Hacker News

Linked in paper folding threads as a fun demonstration and as the video that made the channel famous.

Recommended by 1 HN people across 1 months · HN mentions 2016–2026

Topics

Everyday physics & science demos Mechanical & precision engineering

What people said

mtreis86 · 2016-05 · Recommendation
Video has an interesting ending [VIDEO] That whole channel is full of interesting things being flattened.
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sampo · 2026-06 · Reference
It was this paper folding video (and the guy's unapologetic Finnish accent) that launched Hydraulic Press Channel to fame. [VIDEO]
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MichaelBurge · 2016-08 · Reference
Here's what happens if you ignore the mathematical limit and fold it again with a hydraulic press: [VIDEO]
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Sources

Video by Hydraulic Press Channel, played through YouTube.

HN Library · Source license

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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