Click here for some animations that are related to the work of Chladni. Think about how they relate to the motions of microphone elements.
Chladni Day is celebrated on June 29 in Massachusetts, Maine, and Puerto Rico. This year Chladni Day falls on a Sunday, so we won't be having any gala event at the lab, however, you should know that the work of Chladni continues on today! Chladni was the scientist who determined that meteorites were of extraterrestrial origin. His studies in acoustics are fundamental to the field and led to the basis of the mathematics used to describe "forbidden modes", very important in Quantum Mechanics.
Here is a link to a previous post about Chladni. Enjoy!