For IIR members only

Bunker under highly controlled-atmosphere to measure Earth’s rotation

Equipment with extremely stable laser requires perfect mastery of air pressure and temperature.
German scientists are building the most precise and advanced laser in the world in a deep underground bunker near the German-Czech border. This is the most stable ring laser ever and it will be used to make unprecedentedly accurate measurements of the Earth’s rotation.
But such extreme stabilit...

IIR members only

You must be an IIR member to read the rest of this article.

Members benefit from exclusive advantages and services.

To find out more, please click on the link below:

Already a member?