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Low-Background Steel

en.wikipedia.org

11–20 of 114 posts

Re: Low-Background Steel

#11
If I understand it right, it's possible to produce non-radioactive steel but doing do is just a lot more expensive for the time being than just getting it from old sources.

Re: Low-Background Steel

#12
post #6
post #3

This comes up on HN every now and then, it is how I learned about low background steel. If this is new to you, you may also enjoy reading about the cesium content of wine: https://www.technologyreview.com/2018/07/19/141390/fukushima...

Is there a particular trigger for this post? Is this a case of someone stumbling into the concept and wanting to share it with the world? Is there some trend in SV around low-background steel right now? Genuinely curious about the phenomenon of posts around topics that have a great deal of understanding and aren’t necessarily trending in the general news cycle.

There was a post a week or so ago where low-background steel was discussed in the comments. I can't find it on Google though. Probably someone saw that and either made a calendar reminder for a few days out to post it or had it in their open tab backlog.

Edit: I'm pretty sure it was the knife steel post.

Re: Low-Background Steel

#13
post #6
post #3

This comes up on HN every now and then, it is how I learned about low background steel. If this is new to you, you may also enjoy reading about the cesium content of wine: https://www.technologyreview.com/2018/07/19/141390/fukushima...

Is there a particular trigger for this post? Is this a case of someone stumbling into the concept and wanting to share it with the world? Is there some trend in SV around low-background steel right now? Genuinely curious about the phenomenon of posts around topics that have a great deal of understanding and aren’t necessarily trending in the general news cycle.

If I had to guess, the moderators curate certain technical discussions to the top.

But I’d wager that Reddit curates their front page too. There’s no way an organic algorithm is populating the front page.

Re: Low-Background Steel

#14

Im always curious how we will send messages to future civilizations. How will we ensure we’ll be remembered or even noted in 10,000, 100,000, 1 million years? How can we prevent the same disaster(s) that eventually wipes our civilisation out from repeating again in future intelligent generations (human or otherwise) Could environmental markers like these be the way? After all, it’s how we look at the past today

Build large stone piles.

https://en.wikipedia.org/wiki/Great_Pyramid_of_Giza

Re: Low-Background Steel

#15

Im always curious how we will send messages to future civilizations. How will we ensure we’ll be remembered or even noted in 10,000, 100,000, 1 million years? How can we prevent the same disaster(s) that eventually wipes our civilisation out from repeating again in future intelligent generations (human or otherwise) Could environmental markers like these be the way? After all, it’s how we look at the past today

Our plastic is going to be around far longer than us. Left by itself plastic decays on geological timelines.[1]

1. http://worldwithoutus.com/excerpt.html

Re: Low-Background Steel

#16
post #6
post #3

This comes up on HN every now and then, it is how I learned about low background steel. If this is new to you, you may also enjoy reading about the cesium content of wine: https://www.technologyreview.com/2018/07/19/141390/fukushima...

Is there a particular trigger for this post? Is this a case of someone stumbling into the concept and wanting to share it with the world? Is there some trend in SV around low-background steel right now? Genuinely curious about the phenomenon of posts around topics that have a great deal of understanding and aren’t necessarily trending in the general news cycle.

I saw it linked from the comments on a Tweet by Karpathy and found it intellectually curious.

> By posting GPT generated text we’re polluting the data for its future versions

https://twitter.com/karpathy/status/1284660899198820352

Re: Low-Background Steel

#17

Im always curious how we will send messages to future civilizations. How will we ensure we’ll be remembered or even noted in 10,000, 100,000, 1 million years? How can we prevent the same disaster(s) that eventually wipes our civilisation out from repeating again in future intelligent generations (human or otherwise) Could environmental markers like these be the way? After all, it’s how we look at the past today

Our plastic is going to be around far longer than us. Left by itself plastic decays on geological timelines.[1] 1. http://worldwithoutus.com/excerpt.html

Unless a microbe finds a way to use it as fuel

Re: Low-Background Steel

#19
post #8

The scene of the battle of Midway would also hold a hoard of nice steel (the Japanese lost a lot of ships including aircraft carriers). I understand that Scapa Flow has been heavily salvaged with only 7 out of 52 ships still down there.

Yeah but there are issues with disturbing a grave site. A lot of people don't take kindly to that, especially when it's a military grave.

Scuttled ships, well in theory anyways, shouldn't have had anyone on board.

Re: Low-Background Steel

#20

Earlier quoted context omitted.

Our plastic is going to be around far longer than us. Left by itself plastic decays on geological timelines.[1] 1. http://worldwithoutus.com/excerpt.html

Unless a microbe finds a way to use it as fuel

There's a microbe for everything: https://cen.acs.org/environment/sustainability/Plastics-recy...
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