Over at HappyPlace.com, there’s a great collection of problematic images from student textbooks. Consider this image from a math textbook:
My guess is that the photo below is either from a social studies textbook or the pamphlet for a fraternity:
Here’s a snippet from science textbook whose purpose is to scare the crap out of people who don’t have red-green colour vision confusion (it used to be called “colour blindness”):
Sorry, if you have red-green colour vision confusion, you’re not going to see the humour in this one…
It’s Sunday, and it’s time for another “picdump!” Here are the memes, pictures, and cartoons…
I saw the display pictured above a couple of days ago, and it’s evidence we’re…
It’s that time of year, and this is that kind of blog, so here’s the 2026…
It’s Sunday, and it’s time for another “picdump!” Here are the memes, pictures, and cartoons…
I’ve done the occasional Tampa-to-St. Pete commute during peak times, and they can easily stretch…
Anitra and I saw the sticker pictured above on a Model Y Tesla parked outside…
View Comments
I have a hat just like that!
What if you see a number, but it's not 15???
Maria:
Whoops, on my way to CAMH.
I really am red-green colour blind! Someone tell me what it says!
James McLachlan: The caption says you should see the number 15, but the number in red dots is actually 29.
I still don't get it.
:)