Ultrafast imaging (IMAGE) University of Konstanz Caption (left) A glance inside an attosecond transmission electron microscope. (right) A continuous-wave laser (red) intersects with an electron beam (blue) at a membrane. The laser light bunches the electrons (blue wavelet) into an attosecond pulse train (modulated wavelet). Credit (left) Andrey Ryabov, LMU Munich; (right) Mikhail Volkov, University of Konstanz 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.