Image C (image) University of Sydney Share Print E-Mail Caption Atom probe Image showing accumulations of hydrogen (red) at carbon-rich (blue) dislocations in steel. This evidence underpins the theoretical prediction of the origin of hydrogen embrittlement that limits the progress of hydrogen economy. Credit University of Sydney Usage Restrictions None 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.