Scientists use ultrasound to levitate small objects and make water droplets float, move, and merge. Video of the toothpick at http://www.pnas.org/content/suppl/2013/07/10/1301860110.DCSupplemental/sm11.mov
Scientists Go High-Tech to Uncover Mass Graves in Colombia: Researchers are conducting an experiment aimed at combining different technologies in the hopes of perfecting a new technique to locate the bodies of missing people underground.
Harnessing Physics in Grand Spaces to Make Music: The Earth harp stretches over huge spaces (even spanning a mountain valley). Our young harp players from Let's Play Music might enjoy seeing it and comparing to the harp we use in class.