Synth Britannia is a BBC documentary about the Synthisizer and it's introduction to pop music in the 70's and 80's. It includes interviews from several of my favorite musicians (including Vince Clarke - personal hero). Here's part 1 [youtube width="560" height="340"]http://www.youtube.com/watch?v=WeVRYPjcVXg[/youtube]
Between 1907 and 1915 a guy named Sergei Mikhailovich Prokundin-Gorski (the royal photographer for Tsar Nicholas II) took the following photographs - in color. He came up with a concept of taking three photos - he took three consecutive photographs of his subjects with three separate filters: red, green, and blue. He then combined them into full-color projections. Read more on wikipedia.