Madrid ↔️ Lisbon in just 3 hours – we're on board 🚄

Today, we adopted a plan to complete the Madrid–Lisbon high-speed rail connection by 2034.

This is a key step in fully integrating Portugal and Spain into the European high-speed rail network.

More → link.europa.eu/kqjJHM

📣THREAD: It’s surprising to me that so many people were surprised to learn that Signal runs partly on AWS (something we can do because we use encryption to make sure no one but you–not AWS, not Signal, not anyone–can access your comms).

It’s also concerning. 1/

The cough syrup was contaminated with industrial chemicals. Experts say this is no accident. It's the latest case of what is being called a global crime. n.pr/4nQIGfM

Say it often, say it loud:

"Overall, research has not supported the common-sense presumption that digital approaches to schooling are better than non-digital alternatives. At the broadest level, widespread computer use in education has been found to be associated with lower student achievement."

Cecilia Payne-Gaposchkin ✨ figured out what stars are made of ✨ when she was just 25. 🔭🧪

Her PhD thesis basically established the Harvard astro department — at a time when Harvard didn't officially allow woman students.

I wrote this little profile to mark the 100th anniversary of her thesis:

people over 30 quote this with some life advice for the rest of us?

On Friday, the U.S. is ending its de minimis rule that made it easy for cheap goods to reach consumers. The change will affect roughly 4 million such packages processed each day.

Our $100M Series B oxide.computer/blog/our-100...