How to shrink a styrofoam cup and other side effects of deep ocean pressure

Too much pressure can be a good thing. Extreme pressure in the earth’s mantle squeezing carbon together creates diamonds and aids Rihanna’s ability to shine bright like one. It is also perfect for oceanographers to indulge in their favorite onboard pastime, the ceremonial miniaturization of the styrofoam cups. Behold, the emblem of Deep Sea News

High Pressure in the Deep Ocean - Science Friday

Is there any way to use carbon fiber (CFRP) in COMPRESSION?Because I don't get how the titan submarine even made it to 12 feet depth, nevermind 12,000 feet. What am I not

If you suck all the air out of something will it collapse? - Quora

Here's what happens to a styrofoam cup under the deep sea's crushing pressure

Why is pressure different in the ocean? - Woods Hole Oceanographic Institution

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The sea is full of life, but not quite that full

Submarine with Tank Treads

A Diver Showing The Change In Air Pressure : r/Damnthatsinteresting

Mountains in the Deep: Exploring the Central Pacific Basin: Mission Logs: May 1: NOAA Office of Ocean Exploration and Research

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The Incredible Shrinking Cup - Illinois-Indiana Sea GrantIllinois-Indiana Sea Grant

ELI5: What stops humans from fully studying the bottom of the ocean? Why does it seem like there is still much to be discovered? What prevents us? : r/explainlikeimfive