DUBAI, United Arab Emirates (AP) — Construction work has intensified on a major new structure at a facility key to Israel’s long-suspected atomic weapons program, according to satellite images ...

Since 2007, a group of retired political giants and humanitarian leaders founded by Nelson Mandela have met up to tackle ...

Keir Starmer has urged the SNP to abandon its opposition to nuclear weapons, warning that global threats from Russia and China make the ...

Abstract: This paper proposes Kalman filter algorithms for unobservable systems. The proposed algorithms are effective in the time scale generation by atomic clock ensembles with undetectable modes.

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