This is the pattern of nature made into a wall decor art. If you put some sand on a flat metal pane, than make it vibrate at 4kHz frequency, this is the pattern that it is going to form.
This is the pattern of nature made into a wall decor art. If you put some sand on a flat metal pane, than make it vibrate at 4kHz frequency, this is the pattern that it is going to form.