A new study of 1,500 supernovas gives the most precise measure ever of cosmological time dilation--the way time seems to slow down for objects we observe in the distant universe fun fun fun 🧪🔭 www.scientificamerican.com/article/eins... by @astrojonny.bsky.social
Einstein had all this stuff down more than 100 years ago yet it took me until this year when I read "The Physicist and the Philosopher" to really understand what the weirdness implied. Since then I can't help thinking about how it can be.