Device-to-device variation. (IMAGE) Science China Press Caption Distributions of (a–c) VSET & VRESET, and (d–f) HRS & LRS from 250 cycles of 10 stochastically selected devices of S1, S2, and S3. Credit ©Science China Press Usage Restrictions Use with 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.