Blackfold (image) University of Copenhagen Caption In theoretical physics you can have different planes that behave like black holes and they are called black branes. When black branes are folded into multiple dimensions they form a 'blackfold', which new research shows has a relationship between gravity and fluid mechanics and solid-state physics. Credit Credit: Artist impression by Merete Rasmussen Usage Restrictions Credit: Artist impression by Merete Rasmussen 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.