I've developed a new fear of my 2025 desktop PC being damaged by a power surge or something, because it would cost at least $2K more to replace than I paid for it, assuming I can even find parts now. Compared to the rest of my adult life when I used to secretly pray for something to fail so I would have a reason to upgrade.
Silver lining: literally all Macs are a total steal right now.
Qatar helium shutdown puts chip supply chain on a two-week clock
261–270 of 675 posts
Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#262There you go, solved it.
Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#263Earlier quoted context omitted.
https://www.bocgases.ie/files/balloon_grade_helium_factsheet... says 95% helium and 1% oxygen while https://dan.org/alert-diver/article/helium-gas-purity-what-i... says 97.5% helium but very unlikely for it to be as low as 80%
Helium for diving is going to be a different mix than what's used for balloons. In diving it's used to reduce the partial pressure of oxygen, and also to quickly diffuse back out of tissues when returning to the surface. Very different application!
Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#264Earlier quoted context omitted.
The big problem is purity. Fabs use grade 5 and 6 helium where contaminants are 1-10 parts per billion. The infrastructure to get it that pure becomes very specialized and any time the helium goes through a process it picks up so much contamination that recycling it would require the entire purifying and quality control infrastructure for pressure or temperature swing adsorption. Some fabs are starting to reuse heliu…
Do we have a process to make new helium from hydrogen?
Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#265Earlier quoted context omitted.
The strait is now mined at least partially. Country of origin doesn't matter when there are mines in the water.
We really are overdue for mines with IFF and can inert themselves temporarily for blue ships.
Self deactivating land mines exist - and sometimes fail to do this (3/100 was the rate I heard a few years ago).
Same problem with cluster munitions: it's not how they work. It's that a bunch of the bomblets fail to work, then leave UXO around which explodes a child's hand later.
Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#266I remember hearing somewhere on this site that medical imaging got pretty good at building systems that recycle helium. Does chip manufacturing not do this or are the losses at their scale are still large enough that you need a substantial constant supply?
The big problem is purity. Fabs use grade 5 and 6 helium where contaminants are 1-10 parts per billion. The infrastructure to get it that pure becomes very specialized and any time the helium goes through a process it picks up so much contamination that recycling it would require the entire purifying and quality control infrastructure for pressure or temperature swing adsorption. Some fabs are starting to reuse heliu…
Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#267Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#268I've developed a new fear of my 2025 desktop PC being damaged by a power surge or something, because it would cost at least $2K more to replace than I paid for it, assuming I can even find parts now. Compared to the rest of my adult life when I used to secretly pray for something to fail so I would have a reason to upgrade.
Silver lining: literally all Macs are a total steal right now.
Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#269I remember hearing somewhere on this site that medical imaging got pretty good at building systems that recycle helium. Does chip manufacturing not do this or are the losses at their scale are still large enough that you need a substantial constant supply?
The big problem is purity. Fabs use grade 5 and 6 helium where contaminants are 1-10 parts per billion. The infrastructure to get it that pure becomes very specialized and any time the helium goes through a process it picks up so much contamination that recycling it would require the entire purifying and quality control infrastructure for pressure or temperature swing adsorption. Some fabs are starting to reuse heliu…
I think some of the most advanced fab infrastructure is the ultra pure water system. Water becomes quite aggressive chemically when it has no dissolved ions in it. You have to use exotic or highly processed materials simply to transport it around. If the factory didn't need such massive quantities of it, trucking it in would likely be preferable.
Re: Qatar helium shutdown puts chip supply chain on a two-week clock
#270Earlier quoted context omitted.
Everybody should be allowed to vote, except for people who don't want everyone to vote.
Even people who openly aim to violently overthrow the government and abolish elections?