Propylene generation using liquid gallium (VIDEO) University of Sydney This video is under embargo. Please login to access this video. Caption Propylene generation using liquid gallium. Credit Dr Junma Tang Usage Restrictions None but must credit. License Original 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.