Abstract: This letter formulates sufficient conditions for observability of a class of linear time invariant systems with a norm output. The observability of these systems depends on the input and ...

RAMONA — A showdown between two of the South Dakota's best Class B high schoool softball teams proved to be exactly that on Saturday. Castlewood smacked two homers in the bottom of the fifth ...

Former Labor Secretary and professor Robert Reich joins Morning Joe to discuss 'The Last Class,' a new documentary following Reich as he prepares to teach his final course at UC Berkeley. Producer ...

The U.S. Navy announced it has completed acceptance trials for the final Independence variant littoral combat ship (LCS), the future USS Pierre (LCS 38), at Austal USA, Mobile, Ala. The trials, ...

The IHSAA Class 3A baseball state championship game between Jasper and Andrean lived up to the hype Friday.