Fig. 3 (IMAGE) Osaka University Caption Photograph of the real-time 8K experiment. Foreground shows the two photodiode transmitters (Txs) and two resonant tunnelling diode receivers (Rxs) with 8K television (TV) screen in the background. Credit Osaka University Usage Restrictions None License Licensed 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.