Sound

The Ancient Aliens cable TV show (on the History Channel) recently started including astrophysicist Travis Taylor, PhD in some of their round table discussions. Here is a recent brief episode where Dr. Taylor and also US physics professor Michio Kaku, PhD weigh in on the very recently discovered anti-gravity properties of sound, with some videoed examples:

https://www.youtube.com/watch?v=-iMKodSg9yE&list=PLob1mZcVWOaiVxrCiEyYXcAbmx...