Using a technique called "time reversal," researchers at Brigham Young University were able to knock over Lego figures using nothing but sound waves. The researchers hope that the compelling demonstration will inspire new uses for the technology.
Check out the rest of our videos: https://goo.gl/A8gZvx
Quartz is a digitally native news outlet dedicated to telling stories at the intersection of the important and the interesting. Visit us at https://qz.com/ to read more.