Original and recycled lasers (IMAGE) Optica Caption The researchers were able to recover quantum dots from supraparticle lasers and use them to create new lasers that performed similarly to their precursors. These scanning electron microscopy images show the original lasers and the recycled lasers. Credit Dillon H. Downie, University of Strathclyde 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.