[Benn Jordan] decided to try reworking that concept by replacing headphones with a directed sound projector. The key to the project is the use of hypersonic sound arrays. These essentially use ...

The post China’s Hypersonic Jet Soars at 6.5 Times the Speed of Sound in New Test Flights appeared first on The Hearty Soul.

Two firms based in the United States have joined forces to develop unmanned aircraft systems (UAS) or drones that can fly at hypersonic speeds or five times the speed of sound. Alabama-based ...