Historia del faro

Historia del faro

Assessment

Interactive Video

Science, Physics

1st - 6th Grade

Hard

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The video explores the evolution of lighthouses from ancient bonfires to modern electric systems. Initially, bonfires were used to guide ships, but their limited visibility led to the development of lighthouses. The ancient Egyptians pioneered the use of lighthouses with mirrors to enhance visibility. The Fresnel lens, invented in 1822, revolutionized lighthouse technology by focusing light more efficiently, making it visible over greater distances. In the 19th century, lighthouses transitioned to electric lights, and modern systems now use rotating lenses to improve visibility.

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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