Twisted Ultrasound Patch (IMAGE) University of California - San Diego Caption This stretchable, flexible ultrasound patch could make it easier to inspect damage deep inside odd-shaped structures, such as engine parts, turbines, reactor pipe elbows and railroad tracks--objects that are difficult to examine using conventional ultrasound equipment. Credit Hongjie Hu Usage Restrictions Please credit: Hongjie Hu 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.