Entropic System is a drawing machine that inscribes ornate geometric patterns into a bed of ‘black beauty’ sand. Made by the Denver-based media artist Laleh Mehran the device has instability built-in to it, and creates a feedback loop where approaching it affects its output.

As the ACT Center in Gwangju, South Korea, and an all-star cast of more than sixty international artists, designers and cultural producers gear up for the inaugural edition of ACT Festival, the details of our four day program have begun to roll out – here are the highlights.