lighthouse
Lighthouses mark coasts, hazards, and harbor entrances. This topic is part of Navigation within Technology. This page currently draws on 8 supporting questions, with answers and bonus facts available below.
lighthouse trivia questions
A lighthouse helps guide ships by displaying what?
Answer: A bright light
Bonus fact: Lighthouses mark coasts, hazards, and harbor entrances.
What lens design greatly increased the reach of lighthouse beams in the 19th century?
Answer: Fresnel lens
Bonus fact: Fresnel lenses focused light efficiently using less glass.
What term describes a lighthouse's distinctive pattern of flashes and dark intervals?
Answer: Light characteristic
Bonus fact: Mariners identify lighthouses partly by their unique flash patterns.
A lighthouse signal is designed mainly to warn or guide what?
Answer: Ships
Bonus fact: Lighthouses mark coasts, hazards, and harbor entrances.
How can sailors distinguish one lighthouse from another at night?
Answer: By its unique flash pattern
Bonus fact: Characteristic light sequences are published on nautical charts.
What term describes the identifying pattern of a lighthouse light?
Answer: Light characteristic
Bonus fact: Flashing, occulting, and fixed patterns help identify aids to navigation.
Which Eggers film stars Willem Dafoe and Robert Pattinson as lighthouse keepers?
Answer: The Lighthouse
Bonus fact: It was shot in black and white.
What technology did the original Vive use to track a player around a room?
Answer: External base stations using laser sweeps
Bonus fact: The Lighthouse tracking system allowed accurate position and orientation tracking across a defined play space.