magnet
2020-7-27 2:40
由普林斯顿大学的研究人员领导的一个国际团队发现了一类新的磁铁，这种磁铁表现出延伸到室温的新颖量子效应。研究人员在原始磁铁中发现了一个量子化的拓扑相。他们的发现为30年前关于电子如何自发量子化的理论提供了洞察力，并展示了一种发现新拓扑磁铁的原理证明方法。量子磁体是无耗散电流、高存储容量和未来绿色技术的有前途的平台。这项......
2011-8-8 20:35
Because of the strong magnetic force of the neodymium magnet, eddy currents are generated in the copper tube, which in turn produce a magnetic field. This inte......
2010-10-18 11:13
Refrigerator magnets are generally used for decoration, but also used to make a memo, write down some things to do or buy things. These are mainly for decorati......
2009-3-27 20:18
These fridge stickers are from Motifo, a new trendy concept, which aims to modify the always white appearance of ordinary refrigerators and give them a bit of ......
2009-1-5 13:32
The idea is very good, a simple flat magnet, after bending into a switch style, also makes it more interesting. It costs six dollars. Via ThinkGeek---------- a......