Photons converted into particle-antiparticle pairs and vice-versa
{"Image DocumentName": "Photons converted into particle-antiparticle pairs and vice-versa", "Image ImageDescription": "E = mc2. Early universe was full of particles and radiation because of its high temperature.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}