Science journalist, former @NatGeo staff writer. Bylines @InsideScience @techreview and elsewhere. @MIT_SciWrite & @VanderbiltU. DM for Signal/WhatsApp
Aug 6, 2023 • 5 tweets • 1 min read
As I have been able to on parental leave, I have been monitoring the #LK99 story. Some quick reactions (short 🧵):
- Superconductivity needs multiple solid lines of evidence to confirm, and as others have said, you have to beat every good metal.
- Even if LK-99 is confirmed, it’s no given that it will be commercially viable at scale. For example, at what current would a magnet made of it or derivatives quench? Only now, amid investment in nuclear fusion, have high-temp superconductor tapes found a major market.
May 11, 2022 • 5 tweets • 2 min read
I'm almost positive I found the case in question in PACER. In November 2020 Tim and Kris Lachenmeier of the Near Space Corporation sued Boeing, alleging that Tim suffered a "catastrophic" leg injury during a 2017 Starliner parachute test. (screenshots cont'd)
THREAD: I just got an update from one of the #MuseuNacional's curators, Débora Pires, on the current status of the collections. Here's what we know has been lost, what we know has been saved, and what's still unknown. #LutoMuseuNacional 1/
The entire entomological collection, some 5 million specimens, has been lost. They were in the palace, the main building. 2/
