TUM scientists utilize a "ring laser" for studying Earth’s day-length evolution.
The advanced device at Geodetic Observatory Wettzell captures rotational differences with precision.
Despite design challenges affecting exactness, a corrective algorithm was developed.
This algorithm enables measurements with nine-decimal precision.
The precision equates to a fraction of a millisecond per day.
Detailed understanding of Earth’s rotational dynamics is achieved.
Fluctuations of approximately 6 milliseconds every two weeks are revealed.
These insights significantly contribute to improved climate models.
Weather phenomenon comprehension is also enhanced.
Over geological epochs, Earth's day length has experienced significant variations.