They’re a cool and easy way to demonstrate certain waves, with a bit of cleanup afterward. This week, we’re serving up some sound science on a “Chladni plate.” * Ernst Chladni was a very important ...

In the late 18 th century, German physicist and musician Ernst Chladni demonstrated how vibrations could be used to create striking imagery. By spreading fine sand across the top of a metal plate and ...

The origin of the idea of moving objects by acoustic vibration can be traced back to 1787, when Ernst Chladni reported the first detailed studies on the aggregation of sand onto nodal lines of a ...