Seed Tracking 2 (IMAGE) Massachusetts Institute of Technology Caption Researchers developed a simple drop-casting approach that produces tags that are less than a tenth of an inch in diameter. Credit Courtesy of Anantha Chandrakasan, Benedetto Marelli, Hui Sun, and Saurav Maji. Usage Restrictions Images are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images. 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.