Skyrmion topology (IMAGE) University of the Witwatersrand Caption Conceptual illustration of the entangled Skyrmion topology. Each photon contributes to the emerging topology that only exists as a combined entity of the two photons. Credit Wits University Usage Restrictions No restrictions. License Public Domain 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.