Although disco music and dancing may be long dead, the disco ball lives on as a staple of dance parties everywhere. [Tim van de Vathorst] spent a considerable amount of time reinventing the disco ball ...

Light bouncing off one disco ball looks cool...if you’re at a middle school dance. Light bouncing off 50 disco balls? That’s a work of art. Or at least it is when you use multiple projectors and 3-D ...