Positive and Negative Parts of the Wave (image) Bar-Ilan University Share Print E-Mail Caption This is an artist view of the shape of an electron in a high-temperature superconductor, which was measured in the work by Dalla Torre et al. The blue and red regions represent respectively the positive and negative parts of the wave describing the electron. Credit Mario Sermoneta Usage Restrictions None Share Print E-Mail 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.