Hair-Thin Fibers with SiGe Core (image) Norwegian University of Science and Technology Share Print E-Mail Caption Ursula Gibson, a professor of physics at the Norwegian University of Science and Technology, holds a glass fiber with a semiconductor core. Rapid heating and cooling of this kind of fiber allows the researchers to make functional materials with applications beyond traditional fiber optics. Credit Nancy Bazilchuk Usage Restrictions only in association with articles about the research find and NTNU. 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.