Record High Pressure (IMAGE) Deutsches Elektronen-Synchrotron DESY Caption This is a schematic of the pressure chamber of the double-stage diamond anvil cell: The osmium sample is just 3 microns small and sits between two semi-balls made of nanocristalline diamond of extraordinary strength. Credit Credit: Elena Bykova/University of Bayreuth Usage Restrictions Free for use by the media when reporting on the related paper 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.