Compression of the pulse over time (IMAGE) American Institute of Physics Caption Compression of the pulse over time (1 to 4) with an increase in peak power as the pulse travels along the magnetic compression lines Credit Sergei Rukin Usage Restrictions Journalists may use this image only with appropriate credit. 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.