Finding a hat for the races needn’t be a headache. In fact, the sleek, modish pillbox is having a renaissance. This is how to ...

Abstract: To investigate the problem of errors for radar tracking low angle target, based on the method of angle tracking and the parabolic equation, a suite of simulated results of elevation errors ...

The best last-minute Father’s Day gifts are thoughtful, practical and show the father figure in your life how much you care.