Nanomesh (image) Princeton University, Engineering School Caption This electron microscope image shows the gold mesh created by Chou and colleagues. Each hole is 175 nanometers in diameter, which is smaller than the wavelength of light. Credit Image courtesy of the Chou lab Usage Restrictions Non-commercial use only. 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.