Projection mapping may not be familiar to everyone, but the technique can be used to create some incredible visual displays. If you're new to the concept — or just feel like learning a bit more about it — Belgian filmmaker Dane Luttik has put together a short documentary that delves into the phenomenon and provides some terrific examples. "Basically the idea is to send light really precisely on to objects, on to different structures," explains artist Joanie Lemercier. "It's pretty much the opposite of projecting a video onto a flat rectangular screen." You can check out the entire seven-minute-long film below.