The previous version of the nano - car moved along a flat gold surface. (newscientist.com)
Further tests and computer simulations suggest that the increase was not due to changes in the shape of the tip or in the underlying gold surface. (sciencedaily.com)
Daniel E. Morse of the University of California, Santa Barbara, found that by putting enzymes that mimic those of marine sponges onto gold surfaces, his team could create templates for growing semiconductor films. (scientificamerican.com)