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From Roman London, a Jigsaw Puzzle for the Ages
Archaeologists are piecing together vivid 1,800-year-old frescoes from “thousands upon thousands upon thousands” of plaster fragments, with no picture on the box to guide them.
A century ago, there was a race to make the first color photos. Now there’s a race to save them.
The revolutionary invention of autochromes changed photography. As those pictures decay, they're revealing a new kind of ...