image: Artist's conception of a three-dimensional skyrmion. This material relates to a paper that appeared in the 02 March 2018, issue of Science Advances, published by AAAS. The paper, by Wonjae Lee at Amherst College, Amherst, MA, and colleagues was titled, "Synthetic electromagnetic knot in a three-dimensional skyrmion." view more
Credit: [Credit: Heikka Valja]