2×2 prototype (IMAGE) DOE/Fermi National Accelerator Laboratory Caption Michele Weber, a professor at the University of Bern in Switzerland, spearheaded the 2×2 prototype efforts. Credit Image: Dan Svoboda, Fermilab Usage Restrictions None License Original 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.