[gus_massa]

They wrote the recipe. It looks like it's easier (for people that has a similar lab) to make your own instead of filling all the import reports to get one.

Some superconductors get destroyed by humidity, so it may be difficult to ship them.

If nobody can reproduce them, then they can send samples or travel the word making samples on site, or receive researches to train them.

The good part of publishing the recipe, is that other people can make small variations. If this is true, there is just now a big race to get a higher record temperature.