Floating 'artificial leaf' in Cambridge (IMAGE) University of Cambridge Caption A floating artificial leaf - which generates clean fuel from sunlight and water - on the River Cam near King's College Chapel in Cambridge, UK. Credit Virgil Andrei Usage Restrictions None 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.