https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&feedformat=atom&user=98.234.92.120 2026-07-10T01:24:27Z User contributions MediaWiki 1.30.0 https://www.explainxkcd.com/wiki/index.php?title=1213:_Combination_Vision_Test&diff=37687 2013-05-17T06:55:14Z

<p>98.234.92.120: /* Transcript */</p> <hr /> <div>{{comic<br /> | number = 1213<br /> | date = May 17, 2013<br /> | title = Combination Vision Test<br /> | image = combination vision test.png<br /> | titletext = If you see two numbers but they're both the same and you have to squint to read them, you have synesthesia, colorblindness, diplopia, and myopia.<br /> }}<br /> <br /> ==Explanation==<br /> <br /> There are two numbers embedded in the big circle of numbers, in the same way as a common [http://en.wikipedia.org/wiki/Color_perception_test Color perception test]. The numbers are four and two, forming the number [http://en.wikipedia.org/wiki/42_%28number%29|42], which is [http://en.wikipedia.org/wiki/Answer_to_The_Ultimate_Question_of_Life,_the_Universe,_and_Everything &quot;Answer to the Ultimate Question of Life, the Universe, and Everything&quot;] according to the fiction book [http://en.wikipedia.org/wiki/The_Hitchhiker%27s_Guide_to_the_Galaxy The Hitchhiker's Guide to the Galaxy].<br /> <br /> The number 4 is composed of only the digits 2, 3, 5 and 7, which are the only four [http://en.wikipedia.org/wiki/Prime_number prime numbers] in the range 1-9.<br /> <br /> the number 2 is composed of only the digits 3, 5, 7 and 9, apparently all odd numbers below 10 except for 1.<br /> <br /> ==Transcript==<br /> You see A circle filled with a couple thousand numeric digits.<br /> Title: Combination Vision Test<br /> Caption: If you can see one big number but not the other, you have synesthesia and colorblindness.<br /> <br /> {{comic discussion}}<br /> [[Category:Math]]</div>

98.234.92.120 https://www.explainxkcd.com/wiki/index.php?title=1213:_Combination_Vision_Test&diff=37686 2013-05-17T06:49:14Z

<p>98.234.92.120: First time contributing so excuse any style errors. I might add some more about the four 'conditions' later</p> <hr /> <div>{{comic<br /> | number = 1213<br /> | date = May 17, 2013<br /> | title = Combination Vision Test<br /> | image = combination vision test.png<br /> | titletext = If you see two numbers but they're both the same and you have to squint to read them, you have synesthesia, colorblindness, diplopia, and myopia.<br /> }}<br /> <br /> ==Explanation==<br /> <br /> There are two numbers embedded in the big circle of numbers, in the same way as a common [http://en.wikipedia.org/wiki/Color_perception_test Color perception test]. The numbers are four and two, forming the number [http://en.wikipedia.org/wiki/42_%28number%29|42], which is [http://en.wikipedia.org/wiki/Answer_to_The_Ultimate_Question_of_Life,_the_Universe,_and_Everything &quot;Answer to the Ultimate Question of Life, the Universe, and Everything&quot;] according to the fiction book [http://en.wikipedia.org/wiki/The_Hitchhiker%27s_Guide_to_the_Galaxy The Hitchhiker's Guide to the Galaxy].<br /> <br /> The number 4 is composed of only the digits 2, 3, 5 and 7, which are the only four [http://en.wikipedia.org/wiki/Prime_number prime numbers] in the range 1-9.<br /> <br /> the number 2 is composed of only the digits 3, 5, 7 and 9, apparently all odd numbers below 10 except for 1.<br /> <br /> ==Transcript==<br /> : A circle filled with a couple thousand numeric digits.<br /> Caption: If you can see one big number but not the other, you have synesthesia and colorblindness.<br /> <br /> {{comic discussion}}<br /> [[Category:Math]]</div>

98.234.92.120