Very few minerals are ferromagnetic, but hematite is one example.

具有铁磁性的矿物很少，但赤铁矿是一个例子。

They then applied a magnetic field which, thanks to cobalt's ferromagnetic nature, arranged the particles into thin columns.

然后，的铁磁性，他们应用一个磁场把这些粒子“安置”到薄薄的柱子中。

When unpaired electron spins line up parallel to each other, you get ferromagnetism, or a mineral that's an actual magnet.

当未配对的电子自旋互时，你将见到铁磁性，或者一个实际上是磁体的矿物。

The Finnish company has filed a patent for the idea of tattooing, stamping or spraying ferromagnetic material on skin, which would be connected to a mobile phone.

亚芬兰的一家诺基公司最近申请一项纹身专利，这种纹身通过在皮肤上粘贴或涂抹一种铁磁性物质来和手机连接。