🇨🇴 Una base de datos de cursos en diferentes lenguajes.
🇫🇷 Une base de données de cours dans différents langages.
🇳🇴 En database med kurs på forskjellige språk.
🇺🇸 A flat-file database of courses in multiple languages.
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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---title: 'new course : beyond'published: falsevisible: false---
! *YOUR CHALLENGE* : Your image in a mirror.! ! !! We all have the opportunity to look at ourselves in a mirror. We see our own image. But perhaps it is interesting to take the time of interrogative observation, and then to test yourself.!! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._!! <details markdown=1>! <summary>! I choose.! </summary>! * Is my image simply located in my mind, or has it a location somewhere in space?! * If my image is localized, what is its position?! * If my image has a position, does it have a size? Is she taller or smaller than me?! * If my image has a position, and as it is made of light, can it illuminate a screen?! * If I retreat a little from the mirror, I see my image decreasing slightly. Why? Is the size of my image really smaller? Or does it keep its size and I'm the one who sees it smaller?! * Can I imagine to see more or less tall an image that has a well-defined size?!! These questions that I ask myself about my image, I have to ask them about an real object that I see in front of me.! <details markdown=1>! <summary>! ANSWER! </summary>! To write.! </details>! </summary>
!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)!!!!
!! *BEYOND* (to contribute)!!
!! *CULTURAL POINT* (contributor)!!
!!! *DO YOU MASTER ?*!!! <details markdown=1>!!! <Summary>!!! Describe the test!!! </summary>!!! The text of the test (and its images, figures, audio, video, etc ...)!!!!!! Question text!!! <details markdown=1>!!! <summary>!!! Answer choice 1!!! </summary>!!! Text if this answer 1 is chosen!!! </details>!!! <details markdown=1>!!! <summary>!!! Answer choice 2!!! </summary>!!! Text if this answer 2 is chosen!!! </details>!!! <!--possibility to add answers, questions-->!!! -----!!! <details markdown=1>!!! <summary>!!! Complete solution.!!! </summary>!!! text of the solution!!! </details>
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