This is the deepest hole we've ever dug

Originally published at: https://boingboing.net/2020/07/17/this-is-the-deepest-hole-wev.html

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Oh. I thought you meant this.

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So at 365 F you can bake cookies. Clearly we’re wasting the potential of this valuable resource.

Video link for the BBS
https://www.youtube.com/watch?v=hKW2ONkdGbA

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man, who knew it would be so so hard to get to Pellucidar?

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Hole-y shit!

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That temperature isn’t all that hot in and of itself. Several bores into volcanic structures have gotten MUCH hotter. The problem is that as the temperature goes up, so does the pressure and the combination cross over (the rock gets softer with temperature as the pressure increases, at some point the pressure exceeds the plastic deformation limit of the rock. Sleeving the borehole doesn’t solve the problem because the hole has to be large enough for the sleeve, and besides the sleeve also softens.

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I guess that’s true of any temperature.

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Good thing they stopped where they did.

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I expect to find an old man and a balrog in that hole

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“If you dig a hole deep enough everybody is going to want to jump in it.”- FST

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I have a suggestion of who we can drop in there.

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I do think there’s something special about the point where baryons decompose into a quark plasma.

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I kept waiting for information about how wide the hole was, because I was worried about people accidentally falling into it. What a relief to find out it’s only 9 inches! Whew!

This guy has a series of interesting and well-made videos, but I keep expecting him to start belting out “ Bohemian Rhapsody.

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So much boring yet so much interesting.

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Can we put a free marble portajohn over it afterwards and make it open for all to use?

It would take centuries to fill.

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Ah yes, project “Inner Space”. I saw the documentary when I was a kid:


IIRC it ended with a chunk of the world flying off into space.
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Kinda interesting that the temperature gets that high that soon. That hole is only 0.2% of the way to the center of the earth.

(Hole is approximately 7.6 miles deep, and radius of the earth is about 3958 miles.)

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They just needed Zarkov and The Mole Machine. Not sure about the safety of using continuous nuclear explosions for digging.

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