Interphase Precursor WiS GPE (video) Cell Press Share Print E-Mail Loading video... Caption The video shows how an interphase precursor water in salt GPE demonstrates extremely low reactivity with lithium metal. Credit Yang et al. Usage Restrictions Credit Required. 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.