While much of the world remains fixated on the competition to build autonomous cars, there’s another race that’s gaining momentum fast. It centers on supersonic jets that can fly faster than the speed of sound, or 767 miles per hour. Indeed, while most commercial airliners today fly at between 400 and 650 miles per hour — largely because it’s more economical to burn fuel more slowly — a spate of startups is borrowing from the age of the legendary Concorde to build planes that they say will fly at 1,000 miles per hour, 1,500 miles per hour, and, even in one case, at more than 3,000 miles per hour.
The last of these, and seemingly the most audacious, is Hermeus, a year-old, Atlanta-based startup that wants to build planes capable of getting from New York to London in 90 minutes. Just last week, it announced that it has raised … Read the rest