Polar Molecules Interacting (IMAGE) JILA Caption Pulse sequences for generating two-axis twisting rotate the spins of KRb molecules, transforming the spin exchange interactions. Credit Steven Burrows/Ye Group Usage Restrictions For use with proper credit 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.