June 14, 2020

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.


  1. Magnificat anima mea Dominum,
    et exultavit spiritus meus in Deo salvatore meo,
    quia respexit humilitatem ancillae suae.

  2. The door of the lighthouse was ajar. They pushed it open and walked into a shuttered twilight. Through an archway on the further side of the room they could see the bottom of the staircase that led up to the higher floors. Just under the crown of the arch dangled a pair of feet.