Scientists Use Sound Waves To Levitate, Manipulate Matter

Image by Evan Brant A team of researchers in Switzerland have developed a way of levitating and transporting small objects using nothing but sound. Using ultrasonic waves – that is, sound waves whose frequency More...

Ultra Sound Contraception?

© Chrisharvey A quick zap of ultrasound to the testicles can stop the production of sperm opening the way to a potenial new form of contraception. A study on rats showed that sound waves could be used to reduce More...