Levitating Waters

This recent toy is an amazing optical illusion. It is apparently based on a display piece housed in several Science Museums around the world costing many millions of dollars. Descending droplets of water appear to defy gravity. Perfect water droplets can be suspended in mid-air within the backlit display box and then made to magically rise upwards. Impossible to describe - seeing is believing. No wires, no tubes. How does it work? Well the device produces a steady stream of water droplets, falling under