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The phenakistiscope (also known by the spellings phénakisticope or phenakistoscope) was the first widespread animation device that created a fluid illusion of motion. Dubbed Fantascope and Stroboscopische Scheiben ('stroboscopic discs') by its inventors, it has been known under many other names until the French product name Phénakisticope ...
Disc for a phenakistoscope created by Eadweard Muybridge. Simulated mirror view of the above disc. Reason A little exercise in animated GIFs. The fixed image of the disc is from the Library of Congress, I just centered the image and tried to remove as much wobble as possible (accepting that this was probably not cut on a high precision machine), and rotated each copy by 360/13 degrees.
The phénakisticope (better known by the misspelling phenakistiscope or phenakistoscope) was the first animation device using rapid successive substitution of sequential pictures. The pictures are evenly spaced radially around a disc, with small rectangular apertures at the rim of the disc.
Interior view of Kinetoscope with peephole viewer at top of cabinet. The Kinetoscope is an early motion picture exhibition device, designed for films to be viewed by one person at a time through a peephole viewer window.
Plateau's device became known as the "Phenakistoscope". There was an almost simultaneous and independent invention of the device by the Austrian Simon Ritter von Stampfer, which he named the "Stroboscope", and it is his term which is used today.
A thaumatrope is an optical toy that was popular in the 19th century. A disk with a picture on each side is attached to two pieces of string. When the strings are twirled quickly between the fingers the two pictures appear to blend into one.
The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.This number, along with the visual appearance of the chromosome, is known as the karyotype, [1] [2] [3] and can be found by looking at the chromosomes through a microscope.
Joseph Antoine Ferdinand Plateau (French: [ʒozɛf ɑ̃twan fɛʁdinɑ̃ plato]; 14 October 1801 – 15 September 1883) was a Belgian physicist and mathematician. He was one of the first people to demonstrate the illusion of a moving image. [3]