lighthouse

People living near Land's End have been advised to buy earplugs due to a lighthouse's on-the-blink fog horn.

But numbers had dropped to only a dozen by the early 1960s, and when the lighthouse keepers departed for the last time in 1997, Stroma became home only to grazing livestock and seabirds.

Their motto is "let your light shine", and the school emblem is a lighthouse.

Their strong magnetic fields can produce beams of radio waves that sweep across the sky like a lighthouse, resulting in metronomic radio pulses with intervals ranging from milliseconds to seconds.

David Scott was 32 when he left the note in the lighthouse and worked as a labourer for James Milne & Sons.