What do you know about optical illusions?
What is an optical illusion?
Incorrecte!¡Incorrecto!Tort!Wrong!
It is an illusion of sight, which makes us perceive reality inaccurately.
Do you know how a kaleidoscope works?
Correcte!¡Correcto!C'est Correct!Correct!
A kaleidoscope is one of the most widespread classic toys in the world.
It is a tube with three mirrors inside; on one end there are two translucent sheets between which there are various objects of different colours and shapes. On the opposite end it normally has a transparent lens or a hole to look through. When the tube is turned, the movement of the objects changes the images and when looked at they are seen multiplied symmetrically.
Incorrecte!¡Incorrecto!Tort!Wrong!
A kaleidoscope is one of the most widespread classic toys in the world.
It is a tube with three mirrors inside; on one end there are two translucent sheets between which there are various objects of different colours and shapes. On the opposite end it normally has a transparent lens or a hole to look through. When the tube is turned, the movement of the objects changes the images and when looked at they are seen multiplied symmetrically.
How are Chinese shadows made?
Correcte!¡Correcto!C'est Correct!Correct!
The idea is to place one’s hands between a light source and a screen or white wall so that the position and movement of the hands project shadows onto the screen that represent different moving beings. Download these instructions and surprise everyone making different Chinese shadow animals.
Incorrecte!¡Incorrecto!Tort!Wrong!
The idea is to place one’s hands between a light source and a screen or white wall so that the position and movement of the hands project shadows onto the screen that represent different moving beings. Download these instructions and surprise everyone making different Chinese shadow animals.
Which toy is considered an ancestor of cartoons?
Correcte!¡Correcto!C'est Correct!Correct!
Well done!
The zoetrope creates the illusion of motion. It comprises a metal or cardboard cylinder with various vertical slots for looking through while spinning it by hand. Interchangeable strips of drawings that represent the various stages of an action are placed inside.
Incorrecte!¡Incorrecto!Tort!Wrong!
It is the zoetrope, which creates the illusion of motion. It comprises a metal or cardboard cylinder with various vertical slots for looking through while spinning it by hand. Interchangeable strips of drawings that represent the various stages of an action are placed inside.
Do you know what an anamorphoscope is?
Correcte!¡Correcto!C'est Correct!Correct!
The anamorphoscope is a conical or cylindrical mirror that corrects an image distorted by anamorphosis. Anamorphic images became a very popular children’s toy during the 19th century. The hidden images only make sense when seen through a reflective cylinder.
Incorrecte!¡Incorrecto!Tort!Wrong!
Anamorphoscope is a word derived from Greek and is a conical or cylindrical mirror that corrects a distorted image. The hidden images only make sense when seen through a reflective cylinder.
What is another name for an animated book?
Correcte!¡Correcto!C'est Correct!Correct!
A flip book is full of drawings or photographs that gradually change from one page to the next so, when the pages are quickly flipped through, the images seem to move.
Incorrecte!¡Incorrecto!Tort!Wrong!
A flip book is full of drawings or photographs that gradually change from one page to the next so, when the pages are quickly flipped through, the images seem to move.
Well done! You have finished!
Discover the wonderful world of optical illusions (on-line exhibition in Catalan)
You have got 0 questions right!!
