Sound levitation. No magnets. Sound.

The Telegraph marvels at physicists learning how to levitate and move solid objects using sound waves:

They then levitate match heads, drops of water, screws and nuts.

The researchers at the University of Tokyo say they hope to refine the technique so it can be used to manipulate delicate electronic components when assembling hardware.

The Japanese video that attracted the columnist’s awe is this:

Three-Dimensional Mid-Air Acoustic Manipulation is what they’re calling it. Somehow I doubt they’re doing all that with Strauss waltzes, but you never know. (Seems like it’d be more of a Suicide or Throbbing Gristle thing.)