It's a little ironic that sometimes it takes a clever piece of technology/art to drive the point home that the filthy air we are breathing is actually infiltrating our lungs...
From: Plenty/All MNN Content Lam and Ngo's shirts use tiny carbon-monoxide detectors to detect pollutants. When the detectors sniff out pollutants, a microcontroller sends electrical currents through the shirts, heating up wires that run under the internal organs (lungs or heart, depending on the shirt).
The shirts are made of thermochromic fabric that change color as the temperature changes. In this video, Ngo and Lam laser-cut organs out of the fabric: