Thermogalvanic Brick (IMAGE) King's College London Caption An international team of scientists, led by King's College London, have developed a thermogalvanic brick that generates electricity as long as the two faces of the brick are at different temperatures. Credit King's College London 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.