30 Messidor CLXXIV, Computational Economist, Theoretical Physicist, @alarcos.bsky.social, Alpine Glacier hiker, Dad of 2, #StarWars geek and just me 🇪🇺
Jul 26, 2023 • 10 tweets • 2 min read
The next #superconductivity hype?
I had a brief look, over breakfast🙄, at the associated Arxiv pre-print that came out a few days ago. SO here is a few initial thoughts. A short 🧵
What does the paper claim?
They claim to have produced a material that is superconducting at 'ambient' temperatures and pressures. If true this would be extremely interesting and potentially have very significant applications if material also hax suitable mechanical properties.
Jan 16, 2020 • 4 tweets • 5 min read
@MaryRobinette@sheldongilbert@NASA@loriglaze@pgerak Well I would politely disagree with that teacher claiming that 1) the Economics doesn't matter and 2) the Moon needs agriculture. I think the teacher is wrong on both counts. Your daughter is right that shipping stuff from the Moon to Earth is cheaper than the other way around.
@MaryRobinette@sheldongilbert@NASA@loriglaze@pgerak So shipping high-value stuff from Moon to Earth in order to buy cheap stuff to go the other way makes economic sense. Given the Earth's abundance of good and fertile soils agriculture will be cheaper to do on Earth than anywhere else. However, lifting it to the Moon is expensive
