(IMAGE) Institute of Science and Technology Austria Caption The Tattoo Fabrication Setup. The Bickel group at ISTA developed a specialized tattoo apparatus to test and refine their color models. Credit © ISTA/Michael Piovarči Usage Restrictions Free to use when reporting on ISTA. License Original 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.