From UCLA Physics: a Chladni Plate. These patterns emerge from salt scattered on a metal plate. The plate is stroked with a bass fiddle bow, illustrating two dimensional vibration. Originally published in
Artist John Franzen creates textured drawings reminiscent of wrinkled fabric, or waves of water, by drawing tediously placed rows of lines with black ink. 'Each Line One Breath': Morphogenetic Freehand Drawings By John Franzen.