Have a look at this interesting new sort of art. It is the smoke art. Abstract photography is nothing new, and people constantly come up with new — or re-invent old — versions of photography techniques. One of the ones that is going like wild-fire (excuse the pun) around the interwebs at the moment is the art of photographing colored smoke. In case you’d like to try it out yourself, here are a few useful tips on how it’s done.