IT’S A FEW YEARS LATE, BUT A PROTOTYPE SUPERSONIC AIRPLANE HAS TAKEN FLIGHT

Summary from the TLDR newsletter

Boom Supersonic flew its prototype supersonic jet for the first time on Friday. XB-1 reached an altitude of 7,120 feet and a maximum speed of 273 mph, achieving all of its objectives. The prototype is intended to test materials and aerodynamics for a larger commercial aircraft. A picture of the XB-1 aircraft taking off on its inaugural flight is available in the article.