磁石吸鉄現象的發現 1.磁石吸鉄。我國古时沒有“磁”字,东漢以前的書都是把磁石寫成“慈石”。以后的人对于这一点的说明是:“慈石吸鉄,母子相恋也。”因此可以肯定当我們的祖先用“慈”字來替礦石取名字的同时,一定还發現了它具有吸鉄的本領。最早关于慈石的記载是大約在公元前四世紀左右战国时的著作“管子”,其中的“地数篇”说:“伯高对曰:上有丹砂者,下有黄金。上有慈石者,下有銅金。……”。明确地提出慈石能 Magnet suction 发 phenomenon found 1. Magnet suction 鉄. In ancient China there was no “magnetism”, and the books in the Eastern Han Dynasty were written as “charity stone”. Later, the explanation of this point is: “Cici sucks, mother and child fall in love too.” Therefore, we can be sure that when our ancestors used the word “Ci” for the name of the ore, we must also find that it has suction The ability. The earliest record about Tomb of Merit was “Pipe”, which was written about the fourth century BC in the Warring States Period, among which the article “地篇” said: “Borgog said: Stone, under the copper. ... ”. Clearly put charity stone