What specific technique did Nicéphore Niépce use to create the View from the Window at Le Gras?

Answer

Heliography

Nicéphore Niépce pioneered the process known as heliography, which translates literally to sun writing. This method involved coating a plate with light-sensitive materials and exposing it to sunlight for an extremely long duration, sometimes lasting for several days. This process successfully captured a permanent image, marking a critical milestone in the transition from merely projecting images to physically fixing them on a surface.

What specific technique did Nicéphore Niépce use to create the View from the Window at Le Gras?

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