Aug. 17, 2021 shows Quagga mussels covering engine of Bell P-39 Airacobra military plane in Lake Huron, Carrie Sowden documents it. (Wayne Lusardi AP) ...

The P-39 Airacobra was rejected by the RAF for its dangerous flight characteristics and stripped of its guns by American commanders. But in Soviet hands, it became a frontline dogfighter, credited ...

A new definition of scale-space is suggested, and a class of algorithms used to realize a diffusion process is introduced. The diffusion coefficient is chosen to vary spatially in such a way as to ...

North Texas is among a host of programs across the country preparing for a turning point in the history of college athletics next week.