If you want better cellphone reception it's time to go small or go home, with researchers at the University of Illinois coming up with a nanoscale printing technique that allows for the creation of so-called 3D antennas. Of course, unless you're hunting for signal in Flatland all antennas are to some degree three-dimensional, but these suckers are printed using nanoparticle silver ink onto a curved substrate, as shown up yonder. The resulting components "exhibit performance metrics that are an order of magnitude better than those realized by monopole antenna desig
