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Have you ever been bothered because it's so difficult to pick those fallen needles up? Now this problem is solved with our magnetic thimble. This thimble is made of rubber and embedded with a small magnet in the top. Every time you incautiously drop some needles on the ground, you can use our magnetic thimble to magnetize them easily.
Huazhong University of Science&Tech
Tian Lei,Rong-zhen Hu,Ren Long
Huazhong University of Science&Technology
Wuhan, Hubei, China
Jing Luo,Yi Liu,Yu-ning Jiang,Peng zhang