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- A compass is a device that indicates direction. It is one of the most important instruments used for navigation.
www.nationalgeographic.org/encyclopedia/compass/
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6 days ago · A compass is a device that indicates direction. It is one of the most important instruments used for navigation. Magnetic compasses are the best-known type of compass. While the design and construction of the magnetic compass have changed significantly over the centuries, the concept of how it works remains the same.
Sep 16, 2024 · Compass, in navigation or surveying, the primary device for direction-finding on the surface of the Earth. Compasses may operate on magnetic or gyroscopic principles or by determining the direction of the Sun or a star. The oldest and most familiar type of compass is the magnetic compass, which is.
- The Editors of Encyclopaedia Britannica
A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with magnetic north. Other methods may be used, including gyroscopes, magnetometers, and GPS receivers.
Jul 28, 2010 · Here’s how it works. If you're lost in the woods, your best chance of finding your way might be a tiny magnet. A magnet is what makes a compass point north — the small magnetic pin in a ...
- Molika Ashford
Aug 29, 2023 · A compass is designed to react to the magnetic field generated by the swirling hot mass of rock thousands of kilometers/miles deep inside Earth, but there are lots of other things going on, much nearer to your compass, that can throw it well and truly out of whack.
Jan 9, 2015 · Compasses work so effortlessly because their design allows the magnet to respond freely to Earth's magnetic field. Earth itself is like a giant magnet that creates its own magnetic field. The north end of a compass is drawn to align with Earth's magnetic North Pole.
Oct 31, 2010 · A compass works by detecting the Earth’s natural magnetic fields. The Earth has an iron core that is part liquid and part solid crystal due to gravitational pressure. It is believed...
