A picture show with ultrasound (IMAGE) Max-Planck-Gesellschaft Caption Stuttgart researchers are writing the alphabet using micro-particles by modulating sound pressure profiles. Depending on the sound pressure, the particles collect and form letters. With the letter images, the team demonstrates the possibilities of the ultrasound modulator, which will likely be used primarily in medicine. Credit MPI for Intelligent Systems Usage Restrictions Use of images is limited to editorial coverage of scientific topics relating to the activities of the Max Planck Society. Any kind of commercial use (including, in particular, the exploitation of images by means of sale or incorporation in image databases or image catalogues) as well as any promotional use/use for merchandise purposes, disclosure to third parties or granting of related rights to third parties is expressly not permitted. 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.