A navigation light, also known as a running or position light, is a source of illumination on a watercraft, aircraft or spacecraft, meant to give information...

An inertial navigation system (INS; also inertial guidance system, inertial instrument) is a navigation device that uses motion sensors (accelerometers)...

The field of navigation includes four general categories: land navigation, marine navigation, aeronautic navigation, and space navigation. It is also the...

A light characteristic is all of the properties that make a particular navigational light identifiable. Graphical and textual descriptions of navigational...

ferries. One-color light is well suited for traffic lights and signals, exit signs, emergency vehicle lighting, ships' navigation lights, and LED-based...

telegraphy. Beacons help guide navigators to their destinations. Types of navigational beacons include radar reflectors, radio beacons, sonic and visual signals...

The Centennial Light is an incandescent light bulb, recognized as the oldest known continuously operating light bulb. It was first illuminated in 1901...

A recessed light or downlight (also pot light in Canadian English, sometimes can light (for canister light) in American English) is a light fixture that...

Wiktionary, the free dictionary. A lighthouse is a tower aiding marine navigation. Light House, Lighthouse, or The Lighthouse may also refer to: Lighthouse...

A Klieg light is an intense carbon arc lamp especially used in filmmaking. It is named after inventor John Kliegl and his brother Anton Kliegl. Klieg...