This video explains how reusable rockets work, why they matter, and how they are helping reduce costs and expand access to ...

Because of the specialized nature of submarines, a distinct military strategy called anti-submarine warfare, or ASW, was created to counter them. Its primary objective is to defend ships and allied ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...