20 junho 2018

The First Color Photograph Is Older Than You'd Expect

The first true color photograph was made in 1861! James Clerk Maxwell wanted to take a photograph of a tartan ribbon. He was really into being Scottish, I guess.

The celebrated scientists took a picture of the tartan ribbon three times, each time with a different color filter over the glass lens of his camera. The three images were developed then projected onto a screen together, aligned one on top of the other, to produce a single colored image.

There was no way to actually print the photograph until years later. But hey, Maxwell made the history books, and that’s what matters, right?

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Once in a Blue Dune


Sand dunes often accumulate in the floors of craters. In this region of Lyot Crater, NASA's Mars Reconnaissance Orbiter (MRO) shows a field of classic barchan dunes on Jan. 24, 2018.

from NASA https://ift.tt/2M9bzkO
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