How the Meter Became The Meter

The video explores the history and evolution of the meter, a fundamental unit of the metric system. Initially defined as a fraction of the Earth's meridian, the meter faced challenges due to Earth's irregular shape. Despite errors, it was redefined using atomic wavelengths and the speed of light, maintaining its status as a universal measure. The video highlights the meter's revolutionary impact on science and society.

What was the outcome of the meter expedition and how did it affect the definition of the meter?

Discuss the evolution of the meter's definition from a physical object to a measurement based on light.

What does the phrase 'the meter was invented as a perfect ratio' imply about its historical context?