Delta P
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About
Delta P (ΔP) is a mathematical term expressing a change ("delta") in pressure (P). The rapid change in pressure is an occupational hazard in diving and has been a cause of several fatal accidents involving underwater repair. Delta P achieved online notoriety thanks to an instructional video warning about its dangers and eventually inspired memes referencing it. Delta P memes frequently feature the phrase When It's Got You, It's Got You that appears in the instructional video.
Origin
In professional diving, the mathematical term Delta P is used to describe differential water pressure. Delta P presents a health hazard as divers who are caught by the pressure can get stuck underwater and suffer injuries.
On October 18th, 2010, YouTube[1] user Sean Roos uploaded an instruction video on Delta P produced by The Association of Diving Contractors International that accumulated over 8 million views in 14 years (shown below).
When it's got you, it's got you!
Spread
The clip of the crab getting sucked into a pipeline from the video gained particular virality. On November 23rd, 2015, Redditor[2] SlimJones123 posted a GIF made from the clip to the /r/WTF subreddit, where it gained over 11,200 upvotes in six months. On October 17th, 2020, YouTube user mchvill posted the clip to YouTube,[3] where it accumulated over 865,000 views in four years (shown below).
On March 3rd, 2020, Redditor Communist_Yeti posted the earliest discovered meme about Delta P, an I Fear No Man meme that garnered over 20 upvotes in the /r/meme[4] subreddit (shown below).
On October 13th, 2020, an anonymous 4chan user made a thread about safety videos on the /tv/[5] board, posting the crab Delta P GIF and linking the video (shown below). In the thread, a user posted a Soyjak meme about Delta P that saw further spread in the following years (shown below, right).[6]
![4GIFS.com Crab sucked into a 3mm wide slit in a pipeline 6,000 feet underwater. The pressure outside the pipe is 1.3 tons per square inch. 1MiB, 250x226, FE46FFEE-6DAF-43BB-AB9C- 35472BA3A1CF.gif View Same Google iqdb SauceNAO Trace ↓ DELTA P: Once it's got you, it's got you >>140661091 >>140661130 >>140662020 >>140668732 >>140669732 https://youtu.be/AEtbFm_CjE0 Workplace Videos Anonymous Tue 13 Oct 2020 10:39:31 No.140657042 [169 / 22 / 102] View Reply Original Rep ort Quoted By: >>140657072 >>140657169 >>140657406 >>140657434 >>140657453 >>140657553 >>140657591 >>140657764 >>140658775 >>140659090 >>140659142 >>140659220 >>140659352 >>140659508 >>140660381 >>140660619 >>140660739 >>140660809 >>140660875](https://i.kym-cdn.com/photos/images/newsfeed/002/759/322/ac1.jpg "This Kills the Crab")
On January 30th, 2021, a 4chan /tv/[7] user made another thread about safety videos, posting a drawing of a Delta P situation. The image saw viral circulation in the following years, being used to reference the Delta P video (shown below).
The Delta P video achieved more recognition in the following years, with multiple memes referencing the hazard being posted on 4chan, Reddit and X.
Various Examples
Search Interest
External References
[2] Reddit – Crab sucked into a pipeline
[3] YouTube – A crab getting sucked into a underwater pipeline | Delta P
[4] Reddit – When it’s got ya, ITS GOT YA
[5] 4plebs – /tv/ Thread #140657042
[6] 4plebs – /tv/ Post #140664758
5
[7] 4plebs – /tv/ Thread #145877275
![Water Surface 15 Feet 21.375 psi 374KiB, 2807x2404, HL/17 14.7 psl 5a92a0cf286b4_Photo4DeltaPdefinition.jpg.e26ce980 d09fa19c6f65ab852f25abf5.jpg View Same OCR Google iqdb SauceNAO Trace ↓ Anonymous [172/27/ 86] Sat 02 Oct 2021 02:53:03 No.157081928 View Reply Original R eport Quoted By: >>157082208 >>157083428 >>157083839 >>157084244 >>157085155 >>157086592 >>157088291 >main character caught in a underwater drain >manages to get out on their own Why do so many films get it wrong?](https://i.kym-cdn.com/photos/images/list/002/759/327/2f0.jpg "Why do so many films get it wrong?")
![4GIFS.com Crab sucked into a 3mm wide slit in a pipeline 6,000 feet underwater. The pressure outside the pipe is 1.3 tons per square inch. 1MiB, 250x226, FE46FFEE-6DAF-43BB-AB9C- 35472BA3A1CF.gif View Same Google iqdb SauceNAO Trace ↓ DELTA P: Once it's got you, it's got you >>140661091 >>140661130 >>140662020 >>140668732 >>140669732 https://youtu.be/AEtbFm_CjE0 Workplace Videos Anonymous Tue 13 Oct 2020 10:39:31 No.140657042 [169 / 22 / 102] View Reply Original Rep ort Quoted By: >>140657072 >>140657169 >>140657406 >>140657434 >>140657453 >>140657553 >>140657591 >>140657764 >>140658775 >>140659090 >>140659142 >>140659220 >>140659352 >>140659508 >>140660381 >>140660619 >>140660739 >>140660809 >>140660875](https://i.kym-cdn.com/photos/images/list/002/759/322/ac1.jpg "This Kills the Crab")
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