New Type of Pocket-Sized Antenna (IMAGE) DOE/SLAC National Accelerator Laboratory Caption A new type of pocket-sized antenna, developed at SLAC, could enable mobile communication in situations where conventional radios don't work, such as under water, through the ground and over very long distances through air. Credit Greg Stewart/SLAC National Accelerator Laboratory 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.