This is a video of a Chladni plate experiment in which sand resonates to different frequencies to reveal a particular frequency& SECRET PATTERN. And we all love secret patterns here, right? Think of it as a special door knock.
The overall presentation and the images within this pin represent "gestalt" by symmetry. The gestalt concept says that objects must be balanced or symmetrical in order to be seen as complete or whole. Not only are the images symmetrical, but the presen