The research has so far been applied to small objects. So, for example, it can be used to deliver medicine to those targeted areas in our bodies where the medicine will be most useful rather than to all over our bodies as currently the case.
Many more applications will emerge when we can do the same for large objects.
Scientists are using sound to levitate objects and it's basically magic. pic.twitter.com/vkLNRdZIts
— Mashable (@mashable) October 7, 2017