The Capsules (image) Harvard John A. Paulson School of Engineering and Applied Sciences Share Print E-Mail Caption This is an optical image of the cured silicone microcapsules, each with a diameter of approximately 600 microns. Credit Image courtesy of John Vericella, Chris Spadaccini, and Roger Aines, LLNL; James Hardin and Jennifer Lewis, Harvard University; and Nature. Usage Restrictions Editorial use only. Share Print E-Mail 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.