Late Saturday night, several residents of southern Lebanon repeatedly heard Israeli fighter planes breaking the sound barrier in the sky above them. A noise was also heard in other regions of Lebanon ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The sound barrier is something many people have heard of, but few understand, as it's somewhat of a misnomer. The speed of sound is known as Mach 1 (767 mph), and when an object moves beyond this, ...