The video "shows how quickly things can go wrong at a railway crossing and is shocking to watch", the train operator has said.

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

Abstract: Extended object tracking is concerned with estimation of object properties regarding both the kinematics and extent, i.e., shape. Particular challenges arise in case the orientation of the ...

Abstract: In recent years, the field of visual tracking has made significant progress with the application of large-scale training datasets. These datasets have supported the development of ...

(AP) - When Ann Walter looked outside her rural West Texas home, she didn’t know what to make of the bulky object slowly drifting across the sky. She was even more surprised to see what actually ...