The author burnt out several synapses levitating the ball for this photo.
Mattel wants to channel said waves into a franchise of games under the Mindflex banner, the first of which offers a "float the ball with your brain" challenge. To play, you slap on a funky headband, attach little butterfly clips to your earlobes and then concentrate really hard. If you do it well enough ... the ball floats. Relax your brain or close your eyes, and it hovers down.