Removing Stubborn Oxygen (video) Brown University Loading video... Caption Atoms of oxygen create distortions in a graphene sheet. The key to removing them is to apply hydrogen in exactly the right places. Credit Shenoy Lab, Brown University Usage Restrictions None 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.