Sunlight Experiment (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Sunlight experiment. The reactions can be performed using the light from the sun in a simple glass flask. Credit J. Waser/EPFL Usage Restrictions Media purposes only. Commercial usage restricted; by permission only. License Licensed 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.