you can move objects around surfaces by manipulating Chladni lines, including moving several objects at once. Up to six different motions from a single acoustic actuator. Research by Quan Zhou. #hardware #resonance
on 02016-09-11drawing a bow across a metal plate with sand on it moves the sand to the vibrational antinodes in a “Chladni figure”, discovered in the 1600s. You can also stimulate it with a loudspeaker to probe the #resonance frequencies and patterns. #physics
on 02016-08-02