Making cameras see things that our eyes cannot is something that’s always really fascinated me about photography. Whether it’s super extreme macro, infrared & ultraviolet or, as is the case here, heat and shockwaves.
In this video, Kelly Hoffer at Theory of Curiosity talks us through Background-Oriented Schlieren (BOS). It’s a technique that lets you see heat and other atmospheric distortions in photographs. Here, Kelly shows it off using just a regular camera and Photoshop.