Self-assembled nano checkerboard (IMAGE) University of California - San Diego Caption SEM image of a checkerboard pattern created by self-assembly of the nanocubes. Scale bar = 500 nm, inset = 100 nm. Credit Wang et al. Usage Restrictions Credit must be given to the creator. License CC BY 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.