RF Ion Trap in Vacuum Chamber (IMAGE) Georgia Institute of Technology Caption This image shows an RF ion trap mounted inside an ultra-high vacuum chamber at the Georgia Institute of Technology. Here, individual thorium atoms are trapped and laser-cooled to near absolute zero temperature. Credit Alexander Radnaev Usage Restrictions None 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.