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Liquid helium (He-4)

The only practical way to reach the temperatures superconducting magnets and some chip tools need. It cannot be manufactured.

The bottleneck itself →

Searched for “helium recovery”, “helium liquefaction”, “helium extraction”, “cryogen-free” in titles and abstracts.

Collected items ↓Who is active ↓

All stagesFundamental researchApplied / labPilot / demonstrationEarly commercialAt scaleNewestMost cited

Early commercial — readiness 8 to 8 of the nine-point scale. Evidence it takes: A product launch or first commercial order, from the seller or the buyer.

Collected by the feeds

Newest first

The feeds never place a paper or grant here: neither shows a product is on sale.