Reuben Margolin is a kinetic sculptor, crafting beautiful pieces that move in the pattern of raindrops falling and waves combining. Take nine minutes and be mesmerized by his meditative art -- inspired in equal parts by math and nature.

Reuben Margolin makes wave-like sculptures that undulate, spiral, bob and dip in gloriously natural-seeming ways, driven by arrays of cogs and gears. As a kid, Margolin was into math and physics; at college, he switched to liberal arts and ended up studying painting in Italy and Russia. Inspired by the movement of a little green caterpillar, he began trying to capture movements of nature in sculptural form. Now, at his studio in Emeryville, California, he makes large-scale undulating installations of wood and recycled stuff. He also makes pedal-powered rickshaws and has collaborated on several large-scale pedal-powered vehicles.

"It's not like I'm trying to copy nature -- I'm trying to relate to it."