Laser gyroscope measures the Earth's 'wobble' – Physics World

New method would be cheaper and simpler than astronomical measurements

Laser Based Gyroscope: How do they Measure the Earth's Rotation

Gravitational Waves

BNL Muon g-2 Experiment

Earth rotation measured by a chip-scale ring laser gyroscope

Earth rotation measured by a chip-scale ring laser gyroscope

A new tool shows tiny changes in the '24-hour' length of a day

Large-scale passive laser gyroscope for earth rotation sensing

Rotation Sensing with Large Ring Lasers – Applications in

Africa Millimetre Telescope 'the missing link' in the study of

Gyroscope –

A laser gyroscope measured tiny variations in the lengths of days