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dauguerreotype
The dauguerreotype is introduced as the first commercial form of photography -
First color photagraph
The daguerreotype was made obselete as plack and white photography continued to evolve unitl the advent of color photograph by James Clerk Maxwell. The picture was made oy compining photos taken through green, red, and blue filters. -
First televised moving images
John Logie Baird created the first televised moving image using a rapidly rotating Nipscow scanning disk. It was limited to 12.5 frames per second and had only 30 lines of resolution, but was very impressive for the time. Note the use of lines not pixels. -
First CRT television demonstrated
CTR, which stands for cathod ray tube was invented by Philo T. Farnsworth. The television works by firing elctrons that are directed by magnets towards a phophorescent screen. This was superior to the Nipscow disk in that there were no moving parts. -
Color Television
The first color television operated by firing electrons at triads or sets of three colored phosphors that combined red, green, and blue. This was still not pixels because the screen ws prtrayed in lines instead of points. -
The word "pixel" first appears in print
Bringing us into the digital age, TV lines have divided into squares, which are becoming increasingly smaller as time proceeds. These are portrayed on a variety of screens including Plasma, OLED, and LCD.