1. The Revolution of Inventions
... the Chinese, used a magnetic needle for indicating direction and simply pointed North. After that, the magnetic compass had been refined by Flavio Gioia that allowed it to indicate several directions, and it had a printed card under the needle to show these directions. Later on, from the seaman's experiences, magnetic compass had been refined one more time in terms of wind by dividing ... directions into 16 directional points, so it became more accurate than previous compasses (Wilford 99). In those days, the magnetic compass had helped many sailors and explorers by telling them which ...
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- Grade Level: Undergraduate