Particle Collisions with Billiard Balls (IMAGE) DOE/Brookhaven National Laboratory Caption Brookhaven Lab physicist Alexander Bazilevsky and RIKEN physicist Itaru Nakagawa use billiards and a bowling ball to demonstrate surprising results observed at the Relativistic Heavy Ion Collider's PHENIX detector when small particles collided with larger ones. Credit Brookhaven National Laboratory Usage Restrictions OK for use with stories about this research. 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.