Proving once again that truth is often stranger than fiction, a Swiss researcher has recently developed an astonishing new type of robotic hand that can actually lift small items via invisible sound waves. While it might appear to be a clever conjuror’s trick, it’s really employing an old invention called ultrasonic levitation, whereby objects are captured and levitated using the sorcery of science.
Researcher Marcel Schuck of the Swiss Federal Institute of Technology in Zurich is utilizing a strange phenomenon whose history dates back 80 years, but fusing the technology into modern robotics applications. Schuck’s initial touchless gripper resembles a halved gourd attached to a network of wires and containing dozens of miniature loudspeakers.
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