Abstract: Considering all or part of the sensors are at known positions, this paper addresses the problem of locating a 3-D moving object with a linear constant velocity trajectory using ...

LGBTQ Nation spoke with Rainbow Railroad, an international not-for-profit organization that helps LGBTQ+ people escape ...

Photo: This family was awarded Honorable Mention, Large Family Class, as part of a eugenics exhibit at a Kansas fair in 1923. The term eugenics comes from the Greek roots for "good" and "generation" ...

“President Putin and I have had an open line of communication regarding the welfare of these children,” the first lady announced. By Shawn McCreesh Treinta y ocho personas murieron el día de Navidad ...