Dipole Antenna (IMAGE) University of Cincinnati Caption Using the spun carbon nanotubes, UC physicist David Mast was able to broadcast AM and FM radio, video and get four bars of service on his cell phone. Credit Lisa Britton/UC photographic services 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.