A photon is a particle of electromagnetic radiation, such as visible light, x-rays, and gamma rays. photons2026-08-202026-08-20https://www.medicalradiationinfo.org/wp-content/uploads/2017/12/logo.pngwww.medicalradiationinfo.orghttps://www.medicalradiationinfo.org/wp-content/uploads/2017/12/logo.png200px200px
