Acoustic Strain (IMAGE) DOE/Argonne National Laboratory Caption From left, Argonne and University of Chicago scientists Joseph Heremans, Samuel Whiteley, Martin Holt, and Gary Wolfowicz stand by Argonne's Hard X-ray Nanoprobe beamline, which was used for a new technique called stroboscopic Bragg diffraction microscopy to image sound waves in a crystal. Credit Mark Lopez/Argonne National Laboratory Usage Restrictions None 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.