74 points

“extremely rare” is a way of saying second most common that I haven’t heard before.

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39 points

The rare stone thing would be better for nuclear power. Find lots of rare stone, put it together in a huge pile, they get warm and cause mysterious diseases.

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3 points
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Uranium is actually pretty common, refining out the right isotope is the complicated part. Heck there were a couple natural nuclear reactors in a place that generated power for a few million years.

https://en.m.wikipedia.org/wiki/Natural_nuclear_fission_reactor

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0 points
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Isn’t uranium that’s pure enough naturally to cause a reaction on its own really rare? I’m referring to the Chicago Pile experiment. It was so simple that it could have been theoretically built thousands of years ago which is crazy to think about.

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29 points
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Silicon is just the base material. The whole process involves a whole bunch of other chemicals, and some of those are made of much rarer stuff than silicon.

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17 points
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Sure, Silicon works as a cheap base. Boron, phosphorus, arsenic and antimony are also used in the process, though. Other elements are also finding use in the process.

There is also a minor error in the middle about the ‘sigils’. When scribing process is happening, the other elements are embedded into or deposited onto the substrate between ‘scribings’.

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I don’t think they mean silicon, I think they mean gold, which is also a crucial component to electronics.

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2 points

Gold also isn’t all that rare. It’s value is so high because of jewelry marketing, not rarity.

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13 points

You may be confusing with diamonds. Gold is, and in fact, any element heavier than iron are pretty rare because they cannot be created by stars alone according to current models, they need more extreme and rare astrophysics phenomenons like supernova and black holes.

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13 points

Gold is rare, compared to just about every other element, in accessible areas of earth. All the gold ever discovered on Earth would fit inside a 23 meter (75 foot) cube. This is about 244 thousand tons, in all of human history.

Compare this to iron, where just the United States produces 46 Million tons in 2022 alone.

There is plenty of gold deep within the Earth - it is very dense, so it sank towards the core when Earth was recently formed - but on the surface and the proximal crust, it is not found in abundance.

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5 points

Technically correct but just cause there are minerals in the ground doesn’t mean they can be extracted.

Maybe i am wrong but i keep hearing about silicon being harder to come, i suppose op was specifically speaking about the silicon usable for computing.

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8 points

silicon being harder to come

interesting silicone usually makes it easier for me to come

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3 points

The form of silicon used in semiconductor manufacturing, specific formations of sand, is becoming harder to source from the environment. Silicon the element is incredibly abundant - the vast majority of all rocks on Earth are silicates - so there isn’t a risk that we run out of silicon itself any time soon.

What may happen, in several decades, is an increase in price due to the need to process more abundant rocks to obtain pure silicon.

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60 points

The masks used in litography to compensate distortion of details smaller than wavelength are pretty much at the point of being magic circles.
https://www10.edacafe.com/blogs/editorial/files/2023/03/nvidia.png

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3 points

Care to eli5 what you’re talking about?

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7 points

Here’s a presentation: https://www.youtube.com/watch?v=OAB6Xh8L1kk

They’re basically generating weird patterns that manipulate light to project a very precise shadow.

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2 points

reminds me of this insanity https://youtu.be/wk67eGXtbIw

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1 point

Did YT decide to suggest this to you recently?

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2 points

No I just like Steve and optics

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23 points

Praise the Omnissiah

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13 points

From the decay of our flesh Fortnite Porn comfort us

Blessed be the machine

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4 points

If we make it to the next century, yes praise the mechs

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2 points

Out of the loop? I know that China is no longer allowing export of rare metals, did the situation escalate?

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2 points

The image is from 2022, so i doubt your missing any recent news

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