How Do Lighthouses Work?

Have you ever wondered how a lighthouse works? What a Fresnel lens is? What a lighthouse keeper does? Find out all about lighthouses in this video, as we discover how mariners are directed round the twists and turns of coastal obstacles. Special thanks: Artworks Florida - lots of their Fresnel lens and lighthouse footage was used with permission in this video. Check out their channel here:    / artworksflorida   Spence the lighthouse keeper - check his channel here for insights into the life of a lighthouse keeper:    / @bclighthousekeeper   Andrew Duffield - composer of the Round the Twist TV theme (used with permission) Other credits: 1st order Fresnel lens - CCBY 3.0 Gabelstaplerfahrer Daymarks footage - Emre GÜLER CCBY 3.0 (https://vimeo.com/287902391) Split Point footage - Aaron Donaldson - On Air Media CCBY 3.0 (https://vimeo.com/152419769) SUPPORT TTK --- MERCH 🎽: https://teespring.com/stores/ticket-t... --- Or if you would rather donate money 💰: https://paypal.me/TicketToKnow I'm on Twitter:   / tickettoknow   My previous video 🎬:    • Who Owns The Sky?