LONDON — The German Aerospace Center (DLR) is looking to purchase satellites capable of jamming other spacecraft and inspecting objects in space, and it wants to do so on tight deadlines. But experts ...

A Florida teacher claimed he was forced to remove a Charlie Kirk poster from his classroom after a student complained, a move that he says was political discrimination. William Loggans, who teaches ...

BERLIN — Germany’s plan to bring back a form of conscription was derailed late Tuesday after last-minute objections from Defense Minister Boris Pistorius upended an agreement among the country’s ...

Abstract: The crowd statistics technology has been widely applied to smart classroom, manual roll call and campus security in recent years. However, due to challenges like low resolution, shooting ...

Abstract: Existing classroom behavior detection methods for students are mainly based on the network model to extract key common features to directly determine behavior types, which cannot provide a ...