piezoelectric high temp (IMAGE) Penn State Caption Schematic of a piezoelectric energy harvester that transforms mechanical vibrations to electrical energy. Image: Credit Elizabeth Flores-Gomez Murray, Penn State Usage Restrictions non commercial use only 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.