Full-text search Fulltext search 2 Resultate Fiber optic cables reveal the inner workings of glaciers Fiber optic cables offer seismologists new possibilities to investigate the interior of glaciers. One day, this method may even make it possible to predict glacial collapse. Researchers keep an eye on invisible glaciers Researchers have used a new surveying method for the first time to keep tabs on ice remnants hidden by boulders in Austria's Silvretta Mountains. Via laser.