KnowraCompassLinked fromLinked fromThe 24 pages that link to Compass, each with the reason it gives.All 24Broader topic 4Related 17Narrower topic 2Compared with 1Magnetic dipoleBroader topic: Its needle behaves approximately as a magnetic dipole in the geomagnetic field.MagnetometerBroader topic: The compass is the simplest historically widespread magnetic-field instrument.History of science and technology in ChinaBroader topic: Its navigational use helped connect Chinese invention with maritime expansion.History of geomagnetismBroader topic: Its practical use drove centuries of observation and correction of magnetic direction.