(IMAGE) Saarland University Caption Preparing to exhibit: Experimental physicists at Saarland University have developed a flexible security solution that can be used in gardens, driveways, business premises, or on grazing land and in woodland. Students Thomas Karwoth (l.) and Alex Wiederhold (r.), members of the research group headed by Uwe Hartmann (centre), are seen here building a model that will be used to demonstrate their technology at HANNOVER MESSE. Credit Credit: Oliver Dietze Usage Restrictions None License Licensed content 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.