thinking of vibration as a media that assists sound. What will happen if we get two of these signal at the same time? Could be an idea for media art.
[youtube=http://www.youtube.com/watch?v=_mgGmrqTf08&NR=1]
[youtube=http://www.youtube.com/watch?v=Ndu5DA-rjbc&feature=related]
[youtube=http://www.youtube.com/watch?v=3zoTKXXNQIU&NR=1&feature=fvwp]