Posted 12 years ago by boyt in category: science   Comments (0)

Posted 13 years ago by Santos in category: science   Comments (5)

Tone generator, a wave driver (speaker) and a metal plate attached to a speaker. First add sand to the plate then begin playing a tone. Certain frequencies vibrate the metal plate in such a way that it creates areas where there is no vibration.

Posted 11 years ago by boyt in category: science   Comments (2)

Melting point 86F / 30C

Posted 13 years ago by Howie83 in category: science   Comments (0)

Professor Eric Laithwaite

Posted 11 years ago by boyt in category: science   Comments (6)