Laser Waves (IMAGE) University of Nebraska-Lincoln Caption In this artist's conception of the Nebraska experiment, the white orbs represent two laser pulses, with plasma waves in their wakes. The waves interfere with one another after the laser pulses cross, and electrons ride the wakefield waves to higher energy. Credit Extreme Light Laboratory, University of Nebraska-Lincoln 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.