Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...
Outdoor Guide on MSN10 个月
How To Use A Compass (& Why You Need To Bring One On Your Next Hike)Whether you realize it or not, the earth has a magnetic field that is essentially anchored by two poles -- magnetic north and ...
You can check this by placing the compass next to the bowl. The needle is being affected by the Earth’s magnetic field. One end points towards magnetic north and the other end points south.
Ethan knows that the needle on a compass always points to the north ... This is half way between south and east. Then north for 23 metres. Stop! The final instruction is go west for 4 metres.
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