Optofluidic Reactor (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption By combining nano technology with optics, bioreactors can have increased efficiency -- opening new doors for clean energy production. Credit EPFL / Greg Pasche Usage Restrictions With credit 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.