Sketch of a Bell Experiment (IMAGE) Science China Press Caption This is a sketch of a Bell experiment, in which ρAB denotes the shared state of Alice and Bob, x and y label their measurement choices, respectively, while a and b denote the respective outcomes. Credit ©Science China Press Usage Restrictions Use with credit. 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.