a) Skyrmions -- magnetic vortices named after the British physicist Tony Skyrme. They are special formations of magnetization vectors: in the center the vector is oriented perpendicular to the ...

Scientists know well how conventional materials conduct heat. However, things are not as straightforward under extreme ...

If these metals have not been turned into a permanent magnet they will still be attracted to a magnet if placed within a magnetic field. In this situation they act as a magnet - but only whilst in ...