Scientists levitate a ball with the power of sound
Sound has remarkable effects on the human mind. It can delight us, scare us, depress us and uplift us. But now, for the first time, physicists have shown that it can uplift physical objects too - in this case, a five centimetre polystyrene ball - using a principle called 'acoustic levitation'.A team of researchers used three ultrasound transducers -...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark