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128 Comments
- johnsto, on 10/12/2007, -2/+17"Not everything is, as it seems." - did you go to the Bill Shatner School of Grammar?
- spizzywik, on 10/12/2007, -0/+6The goggles! They do nothing!
- baltakatei, on 10/12/2007, -0/+4Oh crap, my eyes! They fail me!
- _Caboose_, on 10/12/2007, -0/+4Coral Cache: http://serendip.brynmawr.edu.nyud.net:8090/bb/blindspot1.html
- shakin, on 10/12/2007, -0/+3It's not the digg effect, the whole web site is actually in your blind spot.
- brhad56, on 10/12/2007, -0/+3"If you're looking at a green wall and your eyes perceive that color and texture around your blind spot, your brain assumes the green wall extends through your blind spot and just fakes it."
Only if you have one eye. If you have two, your brain doesn't have to fill in the blanks, it just merges two pictures into one. Your left eye see's the missing information from the right eye and vice versa. That's why we only notice our blind spot in these experiments when we close one eye. - tont0r, on 10/12/2007, -0/+3THE COMPUTER IS PLAYING WITH MY MIND!
- inactive, on 10/12/2007, -0/+2That is pretty cool...Kind of Scary...I guess I should keep moving my eyes while driving!!!
+CHEF - speaker219, on 10/12/2007, -0/+1http://serendip.brynmawr.edu.nyud.net:8090/bb/blindspot1.html
MIRROR above ^^^^^^^^^^^^^ - ToadMcFrog, on 10/12/2007, -0/+1barbarac said:
"Oh my eyes!! Zeez goggles, zay do nutting!"
Can anyone spot the cartoon quote?
---------------
Yep, The Simpsons. The episode where they are making the Radioactive Man and Fallout Boy movie.
Wow, I am sad that I knew that. I'm going to go take a nap now... - inactive, on 10/12/2007, -0/+1Ok.. I had to register for a digg account just to let you know that you blew my mind right now.
- tont0r, on 10/12/2007, -0/+1"the spot never went away from me. and i moved pretty far away."
you are supposed to move towards it. read the article. - sdfisher, on 10/12/2007, -0/+1"i dont have a hole in my vision - wtf !?"
Everyone does. It's where your optic nerve and blood vessels connect to the back of the eye. If you had no blind spot, you wouldn't have any sight at all. - inkswamp, on 10/12/2007, -0/+1I must be getting old. This test has been around for a long time and it's amazing to me that so many of you seem surprised by it. I did it when I was in sixth grade with two dots on paper. It had a fairly significant philosophical impact on me back then of making me question what I perceive with my senses.
BTW, not sure if the page explains this or not, but the coolest part of this whole thing is why you don't realize in your daily life that you have a blind spot. It's because your brain synthesizes something to cover it. If you're looking at a green wall and your eyes perceive that color and texture around your blind spot, your brain assumes the green wall extends through your blind spot and just fakes it. There's a variant on this experiment where you a draw straight vertical line through the left dot. When you view it, the part of the line going through the dot doesn't disappear but the dot does. That's your brain assuming what should be there. Try it. - eblah, on 10/12/2007, -0/+1What's even cooler is when you move the mouse pointer over the dot ..... the pointer will disappear and then reappear as you move it around. =D
- zizzybaloobah, on 10/12/2007, -0/+1A great illustration of blind spots - usually you only see the first example -- this one shows the surreal possiblities.
- jd230, on 10/12/2007, -0/+1Yikes! Thank God I'm not driving my monitor, I could have hit that poor little dot!
- modpancake, on 10/12/2007, -0/+1Would've been better if something popped out and screamed. Still awesome though. +Digg.
- clumsyninja, on 10/12/2007, -0/+0What does it mean if you still see the dot? I got within three inches of my monitor and was still able to see it out of the corner of my eye.
- Psykus, on 10/12/2007, -0/+0Clumsyninja, try doing it from farther out.
- the_penguin_boy, on 10/12/2007, -0/+0I love how this guy, puts commas in random places.
- CaptainCalculus, on 10/12/2007, -0/+0I have seen this in my high school physics class... thanks for bringing up such a great memory!
- jaredforshey, on 10/12/2007, -0/+0Check out the applet that lets you map your blindspot. I was surprised to find out that, although it take pretty precise positioning for me to get the dot to disappear on the first page, my blind spot corresponds to an area the size of a half-dollar when I map it on the screen from that distance.
- anastrophe, on 10/12/2007, -0/+0what the hell are they teaching in school these days? this is new? no, this is like more than 30 years old. i learned this when i was a kid.
- dandv, on 10/12/2007, -0/+0I made some additional experiments with increasingly complex patterns.
It appears that the brain regenerates to some extent the pattern "underneath" the spot, but the blurred vision in that area prevents you from seing how accurately that happens.
You can find them at http://public.fotki.com/harwons/puzzles/ - shooby, on 10/12/2007, -0/+0now I understand what happens when mom says that the entire car next to us was in her blind spot
- ajforgue, on 10/12/2007, -0/+0Intelligent Design my ass :)
- riddlebox, on 10/12/2007, -0/+0Heres something to try....thats a lot more entertaining. If you live somewhere were there is not a lot of lighting.."suburb/country/...anwhere not in a town, or city...put some like behind you then sit down and stare at polaris...as you stare and concentrate everything around you becomes "black" the light behind you completely vanishes for seconds until you move your eyes and then everything comes back into view.."you can do it with both eyes open"
- inactive, on 10/12/2007, -0/+0Just got digg'.d
- beervolcano, on 10/12/2007, -0/+0Wow, if you wear sunglasses...the dot says, "Obey"
- h0dg3s, on 10/12/2007, -0/+0p.s. I don't drive with one eye opened either.
- znxster, on 10/12/2007, -0/+0^^ yeah this is a very old 'trick' but nicely done.. +digg
- h0dg3s, on 10/12/2007, -0/+0Nobody has ever "pulled out in front of" me, I watch where I'm driving.
- foodbar, on 10/12/2007, -0/+0Er, this was in my physics text book twenty years ago.
- tidejwe, on 10/12/2007, -0/+0*YAWN* I learned about this in science class over a decade ago...then relearned it in college psychology classes. There are even cooler eye experiments though, such as wearing goggles that reverse the light so everything looks upside-down and backward. After several hours of this, your brain automatically translates everything back to right-side-up and normal. Take the goggles off and you start seeing upside down and backward again, after a short period your brain starts to see things normal again.
- cphuntington97, on 10/12/2007, -0/+0"Did something ever just appear out of nowhere when you were driving?"
Umm, the "blind spot" in each eye and the "blind spot" of a driver in a car are totally different things. - canucksin2006, on 10/12/2007, -0/+0Slashdot effect...
- Smily, on 10/12/2007, -0/+0Nice, digg because of the applet :)
- Tkkt, on 10/12/2007, -0/+0Hahaha... I never knew where my blind spots were before. Now I'm having hillarious fun hiding my mouse cursor from myself, RIGHT INFRONT OF MY EYES!!!
But I can't find my blind spot with both eyes open. - inactive, on 10/12/2007, -0/+0http://serendip.brynmawr.edu.nyud.net:8090/bb/blindspot1.html
- Loyaleagle, on 10/12/2007, -0/+0I kinda figured the blind spots are common knowledge...i mean they're pretty obvious for most people...we have binocular vision so there have to be areas where only one eye can see an image...
- dmwrig, on 10/12/2007, -0/+0Thanks for the link info.. will be using this tomorrow with my drivers ed class
- MikeCampo, on 10/12/2007, -0/+0^ to anastrophe...
- kamizu, on 10/12/2007, -0/+0though blind spots are common knowledge and such tests are nothing new, i must digg because of the java applet you can use later on. i've never done any test to see how large the blind spot actually is, only ones that demonstrate their existence.
- fenix25, on 10/12/2007, -0/+0the site is gone, unless my eyes decieve me
- superal1394, on 10/12/2007, -0/+0my cursor disapeered, never lost the dot though.
- shiftless, on 10/12/2007, -0/+0I don't have to worry so much because I have both eyes
- TheRealStyro, on 10/12/2007, -0/+0I'll digg it, but it is pretty common knowledge.
Each eye has a 'blind spot' - where the blood vessels and optic nerves enter. I've been able to sense each 'spot' by watching a static object and moving a finger along in the field of view. Where part of the finger disappears is the 'blind spot'. Both eyes working in coordination will keep the 'blind spots' covered in the field of view. - MikeCampo, on 10/12/2007, -0/+0^ Thats nice...
- XStatic, on 10/12/2007, -0/+0More great illusions:
http://digg.com/science/Human_Vision_is_executed_with_parallel_processing. -
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