DIY a Fascinating Acoustic Levitator
Using an array of 72 40kHz ultrasonic transducers to form standing waves of low and high pressure, the maker Julius Kramer has just created a 3d-printed acoustic levitator. 36 each are placed in the top and bottom shells of the device’s chassis. What’s interesting about Kramer’s build is that he does a great job illustrating how it works,…