4D Atomic Motion (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption This image shows 4D atomic motion captured in an iron-platinum nanoparticle at three different times. Credit Alexander Tokarev/UCLA Usage Restrictions Use 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.