Abstract: The report presents differential equations and algorithms for strapdown inertial navigation systems (SINS) designed to determine the apparent, gravitational and relative velocities of a ...

Grounding exercises help you refocus on the present to relieve feelings of anxiety, stress, depression, or PTSD. Physical grounding techniques use your five senses to help you move through distress by ...

While national headlines dwell on media despair and disruption, local radio operators are writing a different story. Across small towns and regional markets, independent broadcasters are proving that ...