Laser Accelerator Set-up (image) University of Texas at Austin Caption This tabletop set-up accelerated approximately half a billion electrons to 2 gigaelectronvolts over a distance of about 1 inch. It's a feat that previously required a conventional accelerator that stretches more than the length of two football fields. Credit Courtesy of Rafal Zgadzaj Usage Restrictions None 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.