Electromagnetic radiation is all around us, but we're largely unaware that our bodies are constantly bathed in waves of the stuff because our eyes aren't equipped to see it. Dr. Gregory Chavat decided to give us a glimpse of an EM waveform, however, by using a coffee can radar system, a couple of LEDs, and long-exposure photography. The setup consisted of a radar emitter made out of one coffee can and a second can with a couple of LEDs attached to serve as a tethered receiver antenna. Those LEDs were then set to that light up red or green to illuminate
