DUDE, WHERE'S MY SUPERSONIC JET?

Summary from the TLDR newsletter

Aviation innovation has been stuck in a rut in the 56 years since Concorde debuted due to noise, regulation, and cost. All three of these issues are at various stages of being solved. Regulatory walls are cracking, and the technology is better than ever. This article looks at the work being done by Boom Supersonic, Astro Mechanica, and Hermeus toward Supersonic 2.0, where anyone can catch a quick, affordable flight almost anywhere on Earth.