Fiebig Manfred
Department of Materials, ETH Zurich, Zurich, Switzerland.
Nat Mater. 2018 Aug;17(8):747. doi: 10.1038/s41563-018-0145-y.
In the version of this News & Views originally published, the placement of the white circle in Fig. 1 was in the wrong position; it should have been over the six-domain vortex. This has now been corrected; see the correction notice for details.