MEMs (IMAGE) Penn State Caption Two different Microelectromechanical devices containing micro mirrors used to position an infrared laser beam to target a receiver and send information. Credit Patrick Mansell, Penn State Usage Restrictions Non commercial use 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.