Snapshots of the hydrogen jet (IMAGE) Helmholtz-Zentrum Dresden-Rossendorf Caption Shadowgraphs (blue) at the time of impact of the high-intensity laser pulse on the jet of hydrogen. A weaker light pulse sent in advance deliberately changed the hydrogen jet into three different initial states. Credit HZDR 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.