Vibration Plays Impossible Music With Ball Bearings
Carnegie Mellon Robotics Club has birthed vibration, a Robotic Vibraphone. Vibratrons Ardunio Mega controls 30 solenoid gates that drop steel balls onto the vibration keys, producing a note; an Archimedes screw recycles the bearings, turning them once more into sweet, sweet music. We should also note the vibration doesnt put decent salt-of-the-earth vibraphonists out of work. Dont forget to check the video.
Here is the video