Everything is relative
-
- Posts: 5621
- Joined: Sun Aug 31, 2014 7:39 am
Everything is relative
I have a surprise for you. This isn't a thread about Einstein's Theory of Relativity.
When you look at a photo of the sun, the sunspots aren't dark at all. They just seem that way because the surrounding area is far hotter (and brighter) than those spots. So brightness is relative.
Can you think of other relative situations as the one just described?
PhilX
When you look at a photo of the sun, the sunspots aren't dark at all. They just seem that way because the surrounding area is far hotter (and brighter) than those spots. So brightness is relative.
Can you think of other relative situations as the one just described?
PhilX
- vegetariantaxidermy
- Posts: 13983
- Joined: Thu Aug 09, 2012 6:45 am
- Location: Narniabiznus
Re: Everything is relative
That's a surprise.Philosophy Explorer wrote: ↑Sun Jun 25, 2017 9:58 pm This isn't a thread about Einstein's Theory of Relativity.
PhilX
-
- Posts: 843
- Joined: Fri May 26, 2017 5:01 pm
Re: Everything is relative
Look up chess board optical illusion.
-
- Posts: 5621
- Joined: Sun Aug 31, 2014 7:39 am
Re: Everything is relative
A good illusion (with the best version). It's interesting how our brains interpret information.
PhilX
-
- Posts: 843
- Joined: Fri May 26, 2017 5:01 pm
Re: Everything is relative
Right. That illusion shows that our brains really are involved in processing information in order for our visual systems to function, and that our sense of vision is not some automatic process that provides us with the "truth" of what we are looking at. In other words, part of our visual system is dependent on a reasoning part of our brain that draws inferences from the data our vision system sends to our brain. For the most part, it works fine, but then there are other times, when it breaks down.
Neurobiology is an interesting subject.
Neurobiology is an interesting subject.
Re: Everything is relative
Personally, I think there's something fishy going on with that illusion.Philosophy Explorer wrote: ↑Mon Jun 26, 2017 3:30 pmA good illusion (with the best version). It's interesting how our brains interpret information.
I mean just look at it here on YouTube https://youtu.be/z9Sen1HTu5o and tell me what you think would happen if instead of sliding the light square over onto the dark square, they reversed it and slid the dark square over onto the light square?
If it is truly the same shade of grey on both squares, then why not do that to really drive home the point, but you never see that being done. (Why not?)
_______
-
- Posts: 5621
- Joined: Sun Aug 31, 2014 7:39 am
Re: Everything is relative
Because you haven't produced that video yet. Why not give it a go and see what happens? (I'll be waiting to see what you come up with)seeds wrote: ↑Tue Jun 27, 2017 4:58 amPersonally, I think there's something fishy going on with that illusion.Philosophy Explorer wrote: ↑Mon Jun 26, 2017 3:30 pmA good illusion (with the best version). It's interesting how our brains interpret information.
I mean just look at it here on YouTube https://youtu.be/z9Sen1HTu5o and tell me what you think would happen if instead of sliding the light square over onto the dark square, they reversed it and slid the dark square over onto the light square?
If it is truly the same shade of grey on both squares, then why not do that to really drive home the point, but you never see that being done. (Why not?)
_______
PhilX
Re: Everything is relative
I saw a still version of that illusion once. I used Photoshop to measure the color of the "light" and "dark" squares. They are indeed exactly the same. It's an amazing illusion.seeds wrote: ↑Tue Jun 27, 2017 4:58 am I mean just look at it here on YouTube https://youtu.be/z9Sen1HTu5o and tell me what you think would happen if instead of sliding the light square over onto the dark square, they reversed it and slid the dark square over onto the light square?
Re: Everything is relative
You'll be waiting for a long time, PhilX.Philosophy Explorer wrote: ↑Mon Jun 26, 2017 3:30 pm Because you haven't produced that video yet. Why not give it a go and see what happens? (I'll be waiting to see what you come up with)
No time, no money, no incentive, and especially no desire to be proven wrong.
Actually, to be honest, I remember doing the same thing in Photoshop and coming to the same conclusion as you.wtf wrote: ↑Tue Jun 27, 2017 5:53 amI saw a still version of that illusion once. I used Photoshop to measure the color of the "light" and "dark" squares. They are indeed exactly the same. It's an amazing illusion.seeds wrote: ↑Tue Jun 27, 2017 4:58 am I mean just look at it here on YouTube https://youtu.be/z9Sen1HTu5o and tell me what you think would happen if instead of sliding the light square over onto the dark square, they reversed it and slid the dark square over onto the light square?
Nevertheless, I would still like to see them slide the dark square over onto the light square in the live demonstration.
Again, why not do that just to reinforce the point?
_______