Скачать или смотреть Why Windows Look Like This – A Gentle, Sleepy History of Windows & Glass

Explore the history of windows in this calming, 2-hour documentary, designed for sleep. From simple holes in the wall ("wind-eyes") to the perfectly clear invisible shields of today, we trace the fascinating journey of glassmaking.
Discover why old houses have windows with many small squares (muntins), watch the hypnotic process of spinning "Crown glass" into discs, and learn how a bath of molten tin revolutionized the world in 1959. This video is "boring on purpose," featuring soft rain sounds and a soothing narration to help you relax, study, or fall into a deep slumber.
🪟 Part of the Sleepy History of Everyday Things series on Sleepy Science Nights.
About this video:
A relaxing deep dive into the 57 evolution of windows. We explore the chemistry of sand and ash, the art of the glazier, and how architecture changed as glass became cheaper and clearer.
Key topics:
Difference between Crown glass and Cylinder glass
The history of glassmaking
Why historic windows have "bullseyes"
sleepy science of transparency

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