Make your own sonic tractor beam

Ever wanted to move an object with sound? Now you can. After building the first single-sided acoustic tractor beam that can trap and pull an object using sound waves, Asier Marzo has now created a version that can be made using a 3-D printer. In addition to publishing the paper in Applied Physics Letters, Marzo has released a step-by-step YouTube video to help you get started. We spoke to Marzo about his work.
Read more: https://www.researchgate.net/blog/post/make-your-own-sonic-tractor-beam?source=Snapzu