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L'invenzione della bussola, come funziona la bussola?

Dovunque siamo nel mondo, possiamo sempre trovare la nostra strada attraverso la bussola in un modo molto semplice. Anche se fossimo nel mezzo dell'oceano, ci sarebbe voluto qualche secondo per trovare la nostra strada attraverso questo semplice dispositivo. Oggi la bussola è sempre stata il modo più semplice anche se ci sono dispositivi molto sofisticati come i satelliti GPS. La bussola ha una freccia magnetica che è equilibrata e posta sopra l'ago in modo che possa muoversi quasi senza attrito. Questa freccia, grazie al magnetismo sul campo magnetico nord della terra (magnetismo Nord), Mostra sempre il Nord.

 

Possiamo pensare al mondo come a un grande magnete. Il campo magnetico del mondo è diretto ad un determinato ordine nel processo di formazione e Mostra una caratteristica del magnete. Di conseguenza, il Polo Nord è diretto come S. Il Polo Sud è anche diretto a N. Le lettere N e S utilizzate nei magneti sono anche ispirate ai poli nord e sud.

 

La bussola è segnata come N, a nord della freccia, e il nord della bussola disegna il mondo del nord dal principio di poli diversi si tira a vicenda. Per sentire questo colpo sulla superficie del mondo con un diametro 8000mile, la freccia della bussola è estremamente leggera e non è attrito-libera. In caso contrario, non sarebbe possibile navigare dal campo magnetico.

 

Lungo l'intero asse del mondo, la bussola non funziona con 100% di precisione, alcune aree sono devianti. Queste regioni e quanta deviazione sono mostrate in mappe dettagliate.

 

Una considerazione quando si utilizza la bussola è l'assenza di oggetti metallici che possono essere utilizzati per creare campi magnetici intorno ad esso. Se il campo magnetico intorno alla bussola ha un oggetto che è più della superficie della terra, la freccia della bussola è diretta verso quell'oggetto. Ciò significa anche misurazione difettosa.

 

Storia

Il cinese ha inventato la bussola in 100 A.D. La scoperta della bussola ha avuto luogo dal principio che un oggetto liberato sarebbe diretto a nord in un ambiente magnetico.

 

In Francia, la prima bussola è stata menzionata nel 1200. È stato seguito dall'Islanda in 1207, Inghilterra e 1213. La bussola aveva una struttura primitiva. Il primo significativo sviluppo fu Pierre de Maricourt (1269). Dopo aver messo l'ago in un bastoncino di metallo, l'ha piantato in una scatola trasparente e graduata.

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