Raising from the ground and hovering in the air is not a natural human ability. Yet although levitating is not part of the human experience, some people are thought to have done so, some of whom ...

For those that haven’t heard, ultrasonic levitation is a process by which ... ultrasonic — so outside the range of human hearing — but strong enough so that the small, light objects can ...

We take for granted that we can go to the Moon – after all, we’ve been there before, right? The truth is that it’s been quite ...