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Delta P

Sean Roos · 9.6M views · 2010-10-18 · 11:29

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Overview

A short video illustrating the hazard of pressure differentials (delta P) in commercial diving, where a pressure difference creates enormous force on a diver. It is a safety-oriented look at diving accidents.

On Hacker News

Shared as nightmare fuel in threads on diving and underwater work to show how deadly pressure differentials are.

Discussed on HN; no positive recommendation is recorded in this export · HN mentions 2016–2024

Topics

Ships, submarines & maritimeEveryday physics & science demosEngineering & making (other)
Search by tags
delta pcommercial divingpressure differentialdiving safety

What people said

misswaterfairy · 2024-05 · Reference

This guy is incredibly lucky. I hope that council worker was taken to task over it. Delta-P is not to be messed with. [VIDEO]

Read the original HN comment ↗
jdietrich · 2018-05 · Reference

Similar accidents happen in the water. Pressure differentials are a constant threat in commercial diving operations. [VIDEO]

Read the original HN comment ↗
josefx · 2017-04 · Reference

Here an actuall video on the topic: [VIDEO] . It is the pressure difference that results on a large force on any unlucky diver.

Read the original HN comment ↗

Sources

Video by Sean Roos, 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.

Views, duration and playback status refresh separately from the published catalog. When an update fails, existing data remains visible.

Selection checks
  • SaaS & AI candidates: Topic keywords do not match
  • Editor-approved picks: Editorial review is required

Rule matches identify candidates. They do not guarantee video quality or financial results.

About the library and its sources