https://www.hackster.io/news/metasurface-patterning-turns-ultrasonic-emitters-into-contact-free-tractor-beam-manipulators-e47f62ab01fc
0
0
33 words
0
Comments
By turning objects into "metasurfaces," this contact-free system can not only push them away but pull them again too.
You are the first to view
Create an account or login to join the discussion