This image of a tartan ribbon is the first-ever permanent color photograph, and it was taken 150 years ago yesterday by the legendary scientist James Clerk Maxwell. So just how did he create colors that would last for over a century and a half?
It's been 150 years since Scottish Physicist James Clerk Maxwell showed off the world's first color photograph at a Royal Institution lecture in London. His discovery is incredible but, technically, it shouldn't have worked.
Find out what Maxwell's Demon is, and how some physicists are channeling it.