IBNLive | Researchers take cue from seashells to create 'unbreakable' glass GMA News The team then filled the micro-cracks with polyurethane, although Barthelat said this may not be essential since the patterns of micro-cracks are enough to keep the glass from shattering. Scaling Barthelat said the process may be easy to scale up to ... Nature-Inspired Carving Technique Used To Create Unbreakable Glass Real glass that bends but doesn't break |