silicon-based switch (IMAGE) University of Washington Caption An artistic rendering of a silicon-based switch that manipulates light through the use of phase-change material (dark blue segment) and graphene heater (honeycomb lattice). Credit Zhuoran Fang Usage Restrictions Must include 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.