Hans Christian Ørsted (14th August, 1777 - 9ht March, 1851)

Hans Christian Ørsted (14th August, 1777 - 9th March, 1851)

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On August 14th:

August 14th is the birthday of Hans Christian Ørsted, a Danish physicist and chemist.

He, while preparing for another experiment, happened to noticed that when electric currents flew through a lead wire, the needle of a nearby compass moved, and found that magnetic fields were induced by electric currents.

I remember the days in junior high school when I was taught Ampère's circuital law, Fleming's left hand rule, and so on.

I, as a radio listener, just picked out this topic now because it is probably a critical part of radio technology.

I can not explain how critical it is, though.

I am a humanities major.

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*You can read the Japanese version of this entry here（日本語版はコチラ）:

ハンス・クリスティアン・エルステッド（Hans Christian Ørsted: 1777年8月14日〜1851年3月9日）

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