Earth rotation measured by a chip-scale ring laser gyroscope | Nature Photonics
Gyrocompass | Alignment & Development | Britannica
Gyroscopes - Everything you needed to know
Will a gyroscope suspended in the air for a long time eventually turn upside down 12 hours later, because it doesn't rotate with the Earth's rotation? - Quora
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How does a gyroscope in an airplane's artificial horizon correct for the rotation of the Earth? - Quora