Aluminium Nano-Precipitate (IMAGE) Graz University of Technology Caption Electron microscopic image of an aluminium nano-precipitate with atom-sized diffusion channels Credit © TU Graz / FELMI Usage Restrictions Free of charge by using the correct caption/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.