Silk Optical Implant (video) Tufts University Share Print E-Mail Loading video... Caption This video shows a silk optical implant embedded with gold nano particles. As the mirror is rotates it reflects the room lighting differently. Credit Fiorenzo Omenetto 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.