科学与环境

Ultrafast light can control ferromagnetism without relying on heating

来源: Phys.org - latest science and technology news stories · 发布于

Ultrafast light can control ferromagnetism without relying on heating
来源: Phys.org - latest science and technology news stories

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

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.

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Arctic sea ice hits another troubling low in 2026
科学与环境

Arctic sea ice hits another troubling low in 2026

Arctic sea ice is shrinking in both winter and summer, with satellite records revealing that the region's remaining ice is becoming thinner, younger, and more vulnerable to melting. Despite a recent slowdown in summer losses, scientists warn that the Arctic could experience a nea

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