See a comparison of images from Hubble and Webb

It might not seem obvious why astronomers need multiple different powerful space telescopes. Surely a more powerful telescope is better than a less powerful one? So why are there multiple different telescopes in orbit, either around Earth or around the sun? The answer is to do with two main factors. One is the telescope’s field…

Vertical AI and who might build it

Welcome to the TechCrunch Exchange, a weekly startups-and-markets newsletter. It’s inspired by the daily TechCrunch+ column where it gets its name. Want it in your inbox every Saturday? Sign up here. It was a short workweek in the U.S., but there was plenty to read and reflect on. For you today, some thoughts on the…

Vertical AI and who might build it

Welcome to the TechCrunch Exchange, a weekly startups-and-markets newsletter. It’s inspired by the daily TechCrunch+ column where it gets its name. Want it in your inbox every Saturday? Sign up here. It was a short workweek in the U.S., but there was plenty to read and reflect on. For you today, some thoughts on the…