In the world we live in, magnetism is like a mysterious, invisible magician, quietly playing a huge role. From the compass guiding humans across the vast ocean to the maglev train shuttling through the city at lightning speed, the charm of magnetism is everywhere. When this mysterious power is integrated into daily life and transformed into a small magnetic box, it can not only store trivial...

In the world we live in, magnetism is like a mysterious, invisible magician, quietly playing a huge role. From the compass guiding humans across the vast ocean to the maglev train shuttling through the city at lightning speed, the charm of magnetism is everywhere. When this mysterious power is integrated into daily life and transformed into a small magnetic box, it can not only store trivial...