Dark Photon Dark Matter a Big Matter (IMAGE) Kyoto University Caption Searching for Dark Photon Dark Matter with a Cryogenic Millimeter-Wave Receiver Credit KyotoU Global Comms/Shunsuke Adachi Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.