Gregory Witt makes such good things. They are like little sketches of tiny moments that somehow require intricate feats of engineering. Like a cloud and a tornado and a puddle

“Water is disturbed by a small fan blowing on its surface. A light sensor is positioned to detect these disruptions. This data is read by a microcontroller, which then plots the information in the form of a seascape.”
-machine for drawing small seascapes

“Fans are sequenced to cause a twelve-foot structure of wood and rigging to slowly sway.”
-Mast

I climbed a mountain with him this summer.