Physics Altermagnets, theorised to exist but never before seen, have been measured for the first time and they could help us make new types of magnetic computers Facebook / Meta Twitter / X icon Linkedin Altermagnetism works differently from standard magnetismLibor Šmejkal and Anna Birk Hellenes A new kind of magnetism has been measured for the first time. Altermagnets, which contain a blend of properties from different classes of existing magnets, could be used to make high capacity and fast me...