Controlling ultrasound with 3-D printed devices
Tuesday, October 25, 2016 - 10:01
in Physics & Chemistry
Ultrasound is more than sound. Obstetricians use it to peer inside a woman's uterus and observe a growing baby. Surgeons use powerful beams of ultrasound to destroy cancer cells. Researchers fire ultrasound into materials to test their properties. But these high-frequency acoustic waves can do even more.