TED-ED: Why is glass transparent? - Mark Miodownik

The video explores the nature of glass, starting with its origins in the Earth's crust as silicon dioxide, which forms quartz. When heated, quartz becomes a liquid and cools into an amorphous solid, allowing light to pass through without scattering. The video explains why glass is transparent, focusing on atomic structure and energy levels. It concludes with the significance of glass in modern civilization, highlighting its applications in windows and lenses.

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