نور فوق سریع می تواند فرومغناطیس را بدون تکیه بر گرمایش کنترل کند

Ultrafast light can control ferromagnetism without relying on heating

Despite being known for more mundane uses such as sticking notes to refrigerators or keeping bags shut, magnetization is one of the most fundamental and useful properties of a material. Indeed, it forms the physical basis for storing most of our digital information, encoding the bits used in hard drives, computer memories and credit cards.