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Let's say there is a room that has the shape of a cube with all the walls, roof and ground made of mirrors, it is all mirrors and theoretically we managed to have light in there without a source. (Because if there isn't light, nothing is gonna be visible, and if there is a source it would just be repeated in the mirrors.)

And somehow we manage to look inside the box. What would we see inside the room?

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Assuming that the light source would stay on indefinitely ( wich means that the mirrors wouldn't "absorb" the photons and the room wouldn't get dark eventually), and considering that you don't have a body, you'd see the inside of the cube reflected on every mirror of the cube and on every mirror of the reflection of the cube and so on, and so on. Wich means that you'd see yourself in some kind of cube filled with infinite cubes, or a tesseract.

tesseract

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  • $\begingroup$ no, you aren't in the cube, you just observe it, nothing is inside, completely nothing $\endgroup$ – Mohannad El-Nesr Mar 28 '17 at 18:41
  • $\begingroup$ Yeah, that's exactly why I said "considering that you don't have a body" . "You" wouldn't be inside the cube, but supposing that, somehow, you'd be able to observe what's inside it, you'd probably see something like that. $\endgroup$ – Irã.D Mar 28 '17 at 20:07
  • $\begingroup$ "you'd see yourself in some kind of cube filled with infinite cubes" isn't quite answering my question, it brings something up which cannot happen, because there are not cubes in there, it is a room of mirrors, the mirrors aren't outside the rood, the mirrors are the room $\endgroup$ – Mohannad El-Nesr Mar 28 '17 at 21:30
  • $\begingroup$ Oh, i see... i said that only as a metaphor. Yes, you're right, there wouldn't be any cubes and, of course, you wouldn't be "seeing yourself". But, it doesn't change the fact that inside this hypothetical cube, you'd see something like this image. And also, please, ignore those grey cubes, it's just that i couldn't find any image that could better illustrate what i was trying to say. $\endgroup$ – Irã.D Mar 28 '17 at 21:48
  • $\begingroup$ If you have a source of light inside the cube you will see multiple images of the source. If you don't have a source you see nothing. Of course, if you are not there you see nothing even if there is a light source. $\endgroup$ – nasu May 13 '17 at 13:10

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