The Metascope Type B was a first-generation passive night vision viewer that relied on moonlight. The video shows a 1946 technical paper from the Office of Scientific Research and Development with ...

The crash killed at least 28 people, with the rest aboard feared dead, after the plane collided with a U.S. Army helicopter ...

Most night vision devices amplify available light, such as moonlight or starlight, to create a clear image in the dark. Others, like thermal imaging devices, detect heat signatures emitted by objects.