Heat Can Propagate as a Wave (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Heat can propagate as a wave over very long distances in graphene and other 2-D materials. Credit EPFL/Andrea Cepellotti 2015 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.