Spherical Nanorobot (IMAGE) University of California - San Diego Caption Nanoengineers have invented a spherical nanorobot made of silica that focuses light like a near-field lens to write surface patterns for nanoscale devices. In this image, the red and purple areas indicate where the light is being magnified to produce a trench pattern on light sensitive material. The researchers published their novel "nanomotor lithography" method recently in the journal Nature Communications. Credit Laboratory for Nanobioelectronics, professor Joseph Wang, UC San Diego Jacobs School of Engineering. Usage Restrictions with credit 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.