Penn State engineers have developed innovative design methods for a new class of antennas composed of an array of fractal-shaped tiles that offer anywhere from a 4:1 to 8:1 improvement in ...

Penn State. "Fractal-shaped Tiles Developed For New Broadband Antenna Class." ScienceDaily. ScienceDaily, 20 October 2003. <www.sciencedaily.com / releases / 2003 / 10 / 031020054315.htm>.