MXene-coated fabric block electromagnetic radiation (video) Drexel University Share Print E-Mail Loading video... Caption Drexel University researchers have developed a coating for materials that can block electromagnetic radiation. They demonstrate it's effectiveness by blocking a cell phone transmission by wrapping it in the material. Credit Drexel University 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.