Extended Nickel Metal Atom Chain (image) Okinawa Institute of Science and Technology (OIST) Graduate University Share Print E-Mail Caption The structure of the longest EMAC reported in the literature, confirmed by X-ray crystallography. It contains 11 nickel atoms arranged in a linear chain. Credit OIST Usage Restrictions Image should be credited to OIST 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.