[Nick] is working on a prototype of a coffee table sand plotter that draws patterns in sand a lot like a zen rock garden. [Nick]’s zen rock garden uses a magnet to draw a ball bearing across the sand ...

With no water, Japanese rock gardens - also known as "dry landscape" or "Zen" gardens - feature an area of gravel or sand that is designed to symbolize the sea, ocean, rivers or lakes. The act of ...