The 50-50 Chip (image) American Institute of Physics Caption This is an image of the phase-change memory arrays. For a hi-res version of this image, please contact email@example.com. Credit SIMIT/Xilin Zhou Usage Restrictions None 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.