Designing omnidirectional invisible materials (IMAGE) Universitat Politècnica de València Caption A team at UPV's Nanophotonics Technology Center has discovered a new fundamental symmetry in electromagnetism, acoustics and elasticity laws: a temporal supersymmetry Credit Põ 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.