15KiB, 400x400, EC760C8D-6947-40C9-AC72-8FF73E43E6F1.jpg View SameGoogleiqdbSauceNAO Anonymous Fri 07 May 11:26:11 2021 No.13092799 ViewReplyOriginalReport Quoted By: Is E=mc then how can a photon have no mass and no energy?