Comment on I'm going insane
candybrie@lemmy.world 2 months agoThe reflection being further is the point? The further away something is, the smaller it looks, so the less of your field of view it takes up, the more you can see of it.
If I put my hand on my eye, I can’t see much of it. If I pull my hand back, I can see more of it. If I put a mirror on my eye, I can only see my eye. If I put it back, I can see my face because the reflection of my face is further (i.e. smaller).
I’m very confused what you’re trying to say.
Tar_alcaran@sh.itjust.works 2 months ago
Ok, visualize it like this:
Draw yourself, with a small mirror at head height, a meter away. Draw your reflection at the same distance from the mirror on the other side.
Now do that again, but place the mirror 10 times further. Then draw lines from your eye, to the edge of the mirror, and to the reflection.
You’ll reach the same point on your reflection.
candybrie@lemmy.world 2 months ago
Ok, I can see the point, but it’s not usually what people mean when they can see their whole body. In that example, you’re looking down or looking up. It’s not the whole body entirely in your field of view. For your whole body to be entirely in your field of view, it absolutely does matter how close or far you are from the mirror.
Tar_alcaran@sh.itjust.works 2 months ago
… buddy, have you tried it? Get up, walk to a mirror and test it. You’ll find that the picture shows you what happens
candybrie@lemmy.world 2 months ago
Yes, I have.
Have you tried it? Find a mirror big enough to show your whole body and press your face right up to it. Do you see your whole body? Now take a step back, do you see your whole body at the same time without having to look and up and down? Now walk several steps back and notice how much more you can see without moving your eyes.
We’re talking about 2 separate concepts is the problem.