Lens made from metamaterials can focus radio waves very precisely [#materials]
November 20th, 2012 by rbanks
MIT produces new metamaterial that acts as a lens for radio waves
"The lens produces a level of focus that is so precise that it has the potential for imaging individual molecules. It also has the advantage of being lightweight, which Ehrenberg claims would make it practical for sending into orbit for astronomical observations." 
via Gizmag
