Melissa Quinn is a senior reporter for CBSNews.com, where she covers U.S. politics, with a focus on the Supreme Court and federal courts. Overseen by the conservative Heritage Foundation, the ...
A new magnetic material breakthrough has been achieved by scientists, which can indirectly lead to the end of the current memory and storage crisis.
Detailed price information for Quimbaya Gold Inc. (QIM-CN) from The Globe and Mail including charting and trades.
Nanodiamond quantum sensors mounted on magnetic microbots achieve coherent spin control while moving freely through fluid, a ...
但你可能没意识到，这些牢牢粘在冰箱门上的小物件，若长期 固定在同一位置，正悄悄给冰箱带来隐形伤害。 从材料学角度来看，冰箱贴与冰箱门的“亲密接触”，藏着不少容易被忽略的科学原理。今天就来拆解：冰箱贴材料有哪些门道，让长期不挪动成为了家电隐患。
光明网 on MSN
今天起，请挪一下冰箱贴！
千姿百态的冰箱贴早已成为点缀生活的小能手但很多人可能没意识到这些牢牢粘在冰箱门上的小物件若长期固定在同一位置正悄悄给冰箱带来隐形伤害从材料学角度来看，冰箱贴与冰箱门的“亲密接触”，藏着不少容易被忽略的科学原理。软磁材料温和，但“久贴成患”市面上99%的冰箱贴都离不开“软磁材料”这一核心原料。软磁材料是一类在弱磁场下就能被磁化，去掉磁场后磁性又能快速消失的材料，常见的有铁氧体软磁、橡胶磁等 ...
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