13 minutes of useless information..

Summary by Krater

An explainer examining the origins and history of various everyday concepts and phenomena, including the 7-day week, power cycling in aviation, and the etymology of the word computer.

From the video

Answers: Why are things the way they are?

• etymology of computer
• history of the 7-day week
• power cycling in aviation
• evolutionary traits and eyesight
• average lifespan vs life expectancy
• origin of the croissant
• Haskell Free Library and Opera House

What it concludes

• Power cycling computer systems is necessary to prevent stale data from overpopulating plane systems.
• The 7-day week is inspired by the seven planets of the solar system.
• Saturday became a half-day in 19th-century Britain due to factory owners seeking productivity and avoiding economic crises.
• Croissants actually originated in Vienna, Austria, where they were called Kipferl.
• The Haskell Free Library and Opera House is deliberately built on the US-Canada border between Derby Line, Vermont and Stanstead, Quebec.