For instance, while the vast majority of meteorites are stone, almost all sculpturals are made of an iron-nickel alloy, which takes on beautifully complex shapes as it falls to Earth through a process called ablation.
FORBES: Hot Rocks
Both research groups use wire made of a standard alloy of nickel and iron that is easy to magnetise.
ECONOMIST: How to record a memory on a wire
应用推荐
模块上移
模块下移
不移动