Photos courtesy of Christine Marie. Photo credits: Vanessa Crocini, Christine Marie and Bryndis Hafthorsdottir. Dancers: Taylor Unwin, Gigi Todisco, Sandra Ruiz.

How to create 3D augmented reality, in real time — without a computer

Light artist Christine Marie has reinvented an early projection technology to create live performances and installations with giant 3D shadows.

Imagine a dark space, dancers on stage, vivid colored lights behind them as they move. Their shadows grow…