A collaborative performance piece for a platoon of light-activated sound-emitting tops, Lux Brevis calls on an actively participating ‘audience’ to spin the tops and light ‘em up. The tops are outfitted with photoresistors, microchip synthesizers, amplifiers and speakers. When light — from a flashlight, for instance — falls on a top, it makes a very special ‘beep’. When that top is spinning, it makes a series of beeps in rapid succession, throwing them into space. When that top is in the company of a quorum of its brethren . . . Pictured: light-activated, sound-emitting top (Photograph by Melissa Maki)