Photographs of Gas Storage Tank Taken with Visible and Infrared Cameras (image) European Geosciences Union Share Print E-Mail Caption The picture on the left shows a gas storage tank as it would look to the naked eye. On the right, the picture was taken with a camera that visualises in the infrared range, which allows us to see methane gas being vented from the tank. This procedure is done regularly to keep the tank pressure at a safe level. Credit Howarth, Biogeosciences, 2019 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.