What’s that blue glow surrounding a reactor? It’s a phenomenon known as Cherenkov Radiation when electrically charged particles, such as protons or electrons, travel faster than light in a clear medium like water. | U.S. Department of Energy Office of Nuclear Energy

A demonstration of Cherenkov radiation imaging in a whole body #radiationtherapy patient at the American Association of Physicists in Medicine (AAPM) 2018 meeting. DoseOptics is hoping to file for FDA market clearance next year. This video shows radiation dose as it is delivered, based on the Cheronkov effect radiation glow emitted from the patient and picked up by highly sensative image intensifier cameras synched with the dose delivery. This patient receives two doses, one for the upper body a