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Well, a couple thousand photos
We examined over 7,000 photographs of objects from 21 categories.
Pixels? So digital cameras in the 1800s? … and does this mean we are tending towards monochrome?
Wow I didn’t know there was color photography in 1800
I had to look it up because I had the same question, but the data came from photos of stuff from 1800.
What?
Edit: TIL purple was invented in 1840.
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