prototype USeFNAB needle (IMAGE) Aalto University Caption By coupling ultrasound waves to a medical needle, researchers were able to make the tip of a medical needle vibrate 30 000 times per second. The new technology could improve cancer management. Credit Aalto University Usage Restrictions CC BY License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.