Circular thinking: light a ring laser has been used to measure the Earth’s rotation. (Courtesy: iStock/amtitus) A gyroscope sensitive enough to detect Earth’s rotation has been created using a ...

Northrop Grumman Corporation (NYSE: NOC) has won a contract to upgrade the inertial navigation systems (INS) for the Swedish navy’s submarines. Under the contract, awarded by Kockums AB, Northrop ...

Northrop Grumman Corporation's Sperry Marine business unit has been selected to supply new-generation ring laser gyro inertial navigation systems for four Egyptian Navy Romeo-class submarines. The new ...

The rotating-mass gyroscope, which lies at the heart of inertial measurement units (IMUs), has served very successfully from the 1930s to the 1970s, guiding astronauts, spacecraft, missiles, and more.