Waste Heat Conversion into Electricity (video) The University of Hong Kong Share Print E-Mail Loading video... Caption Covered by ten DTCCs, waste heat from the heated pipe is converted into electricity to light up the OLED (left), and change the colour of window glass (right). Credit @The University of Hong Kong Usage Restrictions Please credit @The University of Hong Kong when using the video. Share Print E-Mail 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.