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Users can determine the direction they are headed based on the results of the compass. Compasses can be used for a variety of reasons including travel and ... The Compass - The Chinese invented the magnetic compass to help determine the correct direction. They used this in city planning at first, but it became ... The Chinese invented the magnetic compass to help determine the correct direction. They used this in city planning at first, but it became very important to ... People in China and Europe first learned how to make magnetic compasses during the 1100s. They discovered that when a magnetized bit of iron floated in water, ... ... compass needle is the most familiar magnetic instrument. But when and where the compass was first used ... determination of nuclear magnetic moments. In the ... Primarily, the compass was used for geomancy for a ... Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. RM EC7R66–Magnetism was originally used, not for navigation, but for geomancy and fortune-telling by the Chinese. The earliest Chinese magnetic compasses ... By matching paleomagnetic observations with modeled paleomagnetic history we have identified the date of pyramid construction in central China with the ... It was in China that the first magnetic compasses were used, during the ancient ... enclosed by a box, and were used to determine the direction, alongside the ... The magnetic compass was first used in China around 200 BCE. The ancient ... Submarines are equipped with GPS, which can be used to determine position only when ...