How NASA and Startups Are Bringing Supersonic Flight Back

Supersonic travel isn’t here for the public to use… yet. However, NASA and a handful of private startups are exploring making supersonic travel a reality for the first time in almost 20 years. One of their goals is to make a quieter sonic boom, which is a lot easier said than done. In the last episode on supersonic flight, Julian explores the future of traveling faster than the speed of sound.