History of the Compass
Compass
Another great invention of humankind that has a huge impact on our societies is compass and we will talk about it in this section. This section consists of four subsections: introduction, history of compass, impact of compass on society, and conclusion.
I.Introduction:
1)What is a compass?
A compass is an instrument, which displays the direction of the horizontal component of the Earth's magnetic field at the point of observation, by a freely suspended …
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