Lab Equipment for Metamaterials (IMAGE) Harvard University Caption This is the chamber of the probe station where Donhee Ham's research group tests the new metamaterials. Credit Photo by Eliza Grinnell, Harvard SEAS Communications 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.