Next-gen Steel under the Microscope (IMAGE) University of Queensland Caption Eastern span of the San Francisco-Oakland Bay Bridge. The old and the new bridge, as seen at night from Yerba Buena Island to Oakland (mid-September 2013). The inset in the top left hand corner shows V Vanadium and 2H, Deuterium a hydrogen isotope (1 proton plus 1 neutron and 1 electron) as a Hydrogen substitute. Credit Photo credit Frank Schulenburg. Usage Restrictions For use in association with this article 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.