Ceramic Nanotube Antennas (IMAGE) Purdue University Caption Researchers have engineered ceramic nanotubes, which act as antennas that use light-matter oscillations to control heat radiation. The design is a step toward a new class of ceramics that work more efficiently at high temperatures. Credit Purdue University illustration/Xueji Wang 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.