May 26, 2008
Free bird?
One of the first toys of its kind. identify it

This toy was an important first step for a technology which we use extensively today…
Cracked by: Abid (Welcome, checkout the About page) , Prasad , Akshat , varuns88 , akhi , shivathilak , Ginkgo100 , udupendra , RajT , priyananda , sidsen , yaksha.
Answer:
Quoting Prasad
A Thaumatrope, one of the first optical toys.
It was used to demonstrate persistence of vision.
Its the pre-cursor to modern day animation.

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May 26th, 2008 at 11:19 pm, GMT -0700 ( 1211869168 )
Thaumatrope. The Motion picture funda.. That thing rotates fast and u feel the bird is in the cage
PS: New to the place. Where do i get the rules, registration fundaes etc?
May 26th, 2008 at 11:30 pm, GMT -0700 ( 1211869808 )
Optical illusion
May 26th, 2008 at 11:35 pm, GMT -0700 ( 1211870105 )
A Thaumatrope, one of the first optical toys.
It was used to demonstrate persistence of vision.
Its the pre-cursor to modern day animation.
May 27th, 2008 at 12:20 am, GMT -0700 ( 1211872805 )
thaumatrope… The first of the Persistence of Vision toys which led to moving images / cinema
May 27th, 2008 at 12:21 am, GMT -0700 ( 1211872909 )
Thaumatrope
May 27th, 2008 at 1:19 am, GMT -0700 ( 1211876380 )
It is a Thaumatrope, which makes use of the principle of persistence of vision and illusion of motion , and today this technology is extensively used in motion pictures.
May 27th, 2008 at 1:20 am, GMT -0700 ( 1211876411 )
it worked on the concept of frames. when u overlap frames faster than the refresh rate of the human eye it looks like a movie.
May 27th, 2008 at 4:45 am, GMT -0700 ( 1211888744 )
cinematography
May 27th, 2008 at 6:53 am, GMT -0700 ( 1211896430 )
A thaumatrope from the 19th century, which demonstrates the phenomenon of persistence of vision. Film, video, animation, etc. are based on the same principle.
May 27th, 2008 at 9:57 am, GMT -0700 ( 1211907466 )
Thaumatrope
May 27th, 2008 at 3:12 pm, GMT -0700 ( 1211926333 )
Thaumatrope, the main idea behind motion pictures
May 27th, 2008 at 5:13 pm, GMT -0700 ( 1211933605 )
Thaumatrope - using persistence of vision to create animations, which is how all video works.
May 27th, 2008 at 10:04 pm, GMT -0700 ( 1211951047 )
58C31: thaumatrope
May 27th, 2008 at 10:06 pm, GMT -0700 ( 1211951191 )
Thaumatrope Optical Illusions