Nanopattern (image) Princeton University, Engineering School Caption A technique developed by Princeton engineers allows the easy creation of nano-scale patterns on uneven surfaces and without the normal requirements of a vibration and oxygen-free environment. The black bar next to the Princeton shield is 2 microns long. Credit Nature Nanotechnology/Princeton University Usage Restrictions Please credit Nature Nanotechnology 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.