Dutch artist Berndnaut Smilde has come up with a way to create clouds indoors by carefully regulating the space’s humidity, temperature, and light. This intersection of science + art was recently named one of TIME magazine‘s ‘Best Inventions of the Year 2012′.

The fluffy white clouds are summoned up temporarily using a fog machine, creating a surreal experience in the middle of a room. Click through to see some of Smilde’s clouds, which have been created inside different locations:

Berndnaut Smilde