QUaD Sees the Cosmic Microwave Background (IMAGE) DOE/SLAC National Accelerator Laboratory Caption The QUaD collaboration uses the 2.6-meter telescope shown here to view the temperature and polarization of the cosmic microwave background, a faintly glowing relic of the hot, dense, young universe. Credit Image courtesy of Nicolle Rager Fuller, NSF. Usage Restrictions Please credit where possible. 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.