Explain xkcd: It's 'cause you're dumb.
Randall successfully captures the way that dreams slip away and dissolve. Often it's hard to try to tell them to someone, and they make no sense, though they seemed so perfectly clear the moment you woke up.
The title text is a reference to C.S. Lewis' novel The Voyage of the Dawn Treader, in which Lucy Pevensie reads a story in a book but afterwards can only remember that it had something to do with "a cup, a sword, a tree, and a green hill." (Presumably this was a retelling either of The Lion, The Witch, and The Wardrobe or else of the Crucifixion narrative.) Just as Lucy could only remember vague details about the story afterward, so Cueball cannot remember more than vague details about his dream when trying to tell it to Megan.
- [In background, a vivid dream scene is apparent, including mountains, a zeppelin, a city with a mushroom cloud, and some people interacting. In the inset, Cueball awakens, very surprised.]
- [Dream's edges are fading, mountains, city and zeppelin less clear. In the inset, Cueball is seen running down stairs.]
- [Zeppelin, city, and mountains are very hazy and unclear. The people can still be seen. In the inset, Cueball gets attention of Megan, sitting at breakfast table.]
- [Dream has completely faded, the outlines of maybe one person can still be seen. In the inset, Cueball looks confused.]
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Reminds me a bit of, The Dark is Rising, the alt text does. Not sure why. 22.214.171.124 (talk) (please sign your comments with ~~~~)
The "some people interacting" all seem to be Cueball & Megan, doing various things.
Wwoods (talk) 18:27, 5 February 2014 (UTC)
This perfectly explains my theory for the origin of Deja vu! You have a dream, but because you don't bother thinking about it when you wake up (The act of thinking about it moves it from your short term memory to your long term memory), it fades away to some inaccessible place in your brain. (It's not deleted. Nothing is ever deleted. It's just archived) Then, you see something in real live which, just for a split second, brings back the memory of your dream. But it disappears as soon as it appeared, before you can register it. This leaves you wondering what it is that feels so familiar.
If you suffer from lots of deja vu, try remembering your dreams first thing in the morning.
Hannodb (talk) 09:19, 10 July 2014 (UTC + 2)
I have heard that most dreaming is associated with the right side of the brain (for example, right inferior parietal cortex: http://www.dreamscience.org/idx_science_of_dreaming_section-3.htm). If this is true, it would make sense that, upon awakening, the visual imagery of dreams is not transmitted well across the corpus callosum to the left side of the brain, where most language skills reside. If you cannot efficiently translate the images into words, you can't communicate them in words. Being quite complex and unusual, the dreams would then fade from memory.
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A possible alternate explanation for the dream in the comic, which actually ties into the title text; most of the people in the comic are calm; the giant "mushroom cloud" can also, due to the black and white nature of the comic, be interpretated as a giant tree with ring-shaped construction around it. Most of the people appear to be more or less calm, which implies that there isn't really an emergency. Also, there is a guy with a knocked over cup, being threatened by a girl with a sword, and everybody is on what appears to be a hill. Alternatively, the tree or one of the cities was built on a hill. Amaroq (KitsunePhoenix) (talk) 05:56, 16 February 2016 (UTC)