The physics of invisibility: why solid glass lets light pass through

Why is glass transparent? - Mark Miodownik · 4:08 · Video: TED-Ed · Watch at the source

In short: Most objects block our view because they interact with light in complex ways. This video explores the scientific secret behind amorphous solids, explaining how a substance as solid as glass can remain effectively invisible to the human eye.

Mark Miodownik examines the molecular structure of glass to reveal why it behaves differently than other solids. By understanding the properties of amorphous solids, we can see how light travels through these materials without being scattered or absorbed by a dense internal structure.

The lesson highlights the distinction between common solid matter and the unique transparency of glass, providing a deeper look into the physics that allows windows and lenses to function.

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