Majorana Animation (VIDEO) Princeton University This video is under embargo. Please login to access this video. Caption Princeton University researchers first deposited iron atoms onto a lead surface to create an atomically thin wire. They then used their microscope to map a signal that indicates the presence of the particle, called a Majorana fermion. Credit Ilya Dorzdov, Yazdani Lab, Princeton University Usage Restrictions For non-commercial use. 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.