• passclicks : visual passwords on an image
  Passclicks is a new way to login to websites without users having to remember thir old style textual password. Studies have revealed that humans are way better in remembering visual things than textual things. With passclicks your normal textual passwords are replaced with a sequence of clicks on an image
  in fun > experiments with experiment interactif interessting javascript password visual
• eChalk colour perception: This is the most amazing optical effect in the world
  Our perception of color is strongly affected by the coulors surrouning it. In fact it is possible to perseive two identical colors as being very different is the are placed on different backgrounds.
  Quite simply these are some of the most staggering optical effects I have ever seen. I guarantee you will not believe your eyes. eChalk's online optical illusions, educational games, teaching resources and lesson activities for interactive whiteboards and data projectors will inject some fun into your classroom.
  in cool with color fun illusion illusions interactif optical visual by 2 users

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