Itacolumite—The World's Most Bendable Rock!

In this video I show you a special kind of rock called itacolumite that actually bends as a solid rock. Then I show you how to bend regular stone and I teach you about why things bend so much easier when they are thin and how do things fails when they bend.

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DISCLAIMER: Any experiment you try is at your own risk

[ihaveliterallynoname]

This guy can bend rocks and I can’t even bend a ruler without it snapping ffs

[Braintier]

Who dares to dislike this guy?? He’s taught me more than my science teacher.

[ChristopherMoom]

This is a *gneiss* video, it's a pretty *solid* one, this is one of the few *gems* on YouTube.

[fingernailclipper]

Bend a rock? Sounds like a bit of a “stretch”...

[bradleybobbs]

This video made me think of a trick I learned long ago: Bending a single stiff and brittle crystal without breaking it. Even though it sounds and looks awesome, and is so easy to do, I cannot find any mention of it on Youtube or Google. So maybe it would be a good one for you to do.
The trick is to get a long and thin salt crystal, grab either end with one hand, and bend while under running water. I suppose submerging it in water might also work, but maybe it needs to be flowing quickly?
It works because cracks always start at the surface; so if the surface is constantly being dissolved away, a crack cannot start; and so instead the crystal deforms into polycrystals that change crystalline axis as they go around the bend.
I only had salt crystals ~8 x 3 x 2 mm, but maybe you could grow much longer ones for a more impressive demonstration.

[ZuzutheGiant]

You could get The Slow Mo Guys to film the rock to see if it bends and when it breaks

[adityapratapsingh]

2069 : *we could have stopped him from world domination when he was a small channel*

[coolbionicle]

It's not just thickness, its thickness to length ratio. For example, tectonic plates have about the same thickness to length ratio as that sandstone slice you just bent, so it stays elastic. That's why earthquakes happen, because plates keep skipping as they slide thorough each other. Note that this is unlike what you last described since that was plastic deformation, which forms ridges and mountains and what creates earthquakes is elastic deformation like what you did with the sandstone.

[TheDungineer]

Bending rocks is still easier than bending Dwayne Johnson.

[BltchErica]

Great video, I never thought about this until now, but every rock tells a story, it will be really interesting from now on to see a rock and think about how it's basically a fossil that formed over millions of years

[elijahpalmer]

Nobody:
Action lab: How to bend rocks.

[JumbieTravel]

honestly you’re my favorite educational channel
i always enjoy your videos!!

[superlameusername]

Air bending is old school. Now it is all about rock bending.

[disuko]

I read the title and thought of Dwayne Johnson doing yoga and now I can’t stop laughing

[jbmst]

*Patrick’s pet rock has disliked this video*

[jbolo]

I thought you were gonna put Dwayne Johnson in a figure 4 leglock😔

[aligenic]

*Oh god he is breaking the laws of physics! Get the physics police!*

[gloriaborger]

1919:In a hundred years we'll live on Mars
2019:How to bend a rock

[MTG_CMG]

I really like the explanation of the experiment. Most people would just do the experiment but never go into scientific detail. I'm always interested in finding out why and how things work. Great job!

[CanadianDan]

How to bend -a rock- other people’s will.