Both A Petal and A Single Spark jump between then and now, going from black and white to color.

CNN: CINEMA

But as technology moved from black and white to color, then to instant, then to digital, those of us who took photos (I still have some beautiful Nikon lenses from the pre-AF era) continued to regard photos as essentially precious, each and every one of them.

FORBES: As The Value Of Content Declines, The Need To Analyze It Increases

The last century has seen only a few major display innovations, among them the move from black-and-white monitors to color and the introduction of flat, liquid crystal displays to replace cathode ray tubes.

FORBES: Seeing the Light

In the case of John XXIII, the smoke went from black to white to a sort of grey color and back to white again, Ridley recalled.

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