SP-CUP (IMAGE) California Institute of Technology Caption A three-dimensional video showing a pulse of laser light passing through a laser-scattering medium and bouncing off reflective surfaces. Credit Caltech Usage Restrictions With credit to Caltech 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.