Optical Mapping Laser (IMAGE) University of Wisconsin-Madison Caption Shiguo Zhou (left) and David C. Schwartz look at the path that blue laser light follows -- through focusing optics and beam splitters -- before leading to one of their automated research microscopes in the Laboratory for Molecular and Computational Genomics at the University of Wisconsin-Madison. Credit Jeff Miller/University of Wisconsin-Madison Usage Restrictions None 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.