Hydrogen flame analysis (VIDEO) Optica This video is under embargo. Please login to access this video. Caption A new instrument could help advance the study of new greener hydrogen-based fuels for use in spacecraft and airplanes. The video shows it being used to study a hydrogen flame. Credit Alexis Bohlin, Luleå University of Technology 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.