Indoor Clouds! Dutch artist Berndnaut Smilde controls the weather and creates beautiful indoor clouds with the help of a smoke machine. Fog machine emits dense vapor / smoke that makes contact with sprayed water and forms small white cloud. Miniature cloud floats through the room and quickly disappears.
ArtPrize 2014 Anila Quayyum Agha Wow! This art installation creates patterns on all surfaces, and the intersections are dependent on the shape of the room. The meaning behind it all is worth reading too.