Figure 1 (IMAGE) Nagoya University Caption Researchers fabricated 20mm length waveguides made of the superconducting metal niobium (right). It shows improved conductivity compared with normal metal materials such as a gold-plated tellurium copper (middle) and aluminium alloy (left), and can transmit radio waves that are necessary for B5G/6G communications. Credit Taku Nakajima Usage Restrictions Credit must be given where image is used 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.