475: Further Boomerang Difficulties

Explain xkcd: It's 'cause you're dumb.
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Further Boomerang Difficulties
An eternity later, the universe having turned out to have positive curvature and lots of mass, the boomerang hits him in the back of the head.
Title text: An eternity later, the universe having turned out to have positive curvature and lots of mass, the boomerang hits him in the back of the head.


This comic is a sequel of sorts to 445: I Am Not Good with Boomerangs, as it deals with the same subject manner with the same panel layout.

The first strip shows Cueball throwing a boomerang, which doesn't come back. In 939: Arrow, a boomerang returns to Cueball, which can either be the same Cueball from this comic or another person. Then he throws another boomerang, which somehow hurts the ozone layer (as indicated by an offscreen voice). The third strip shows Cueball throwing something what appears to be a boomerang, but then Megan appears and reveals that it was their last banana.

The final strip shows Cueball throwing one last boomerang, which breaks the frame of the comic. The last panel shows that he was actually inside a spacecraft (which resembles an Apollo Lunar Module), and the boomerang has broken out through the hull. We see him tumbling out into space with the escaping air.

The title text notes that, assuming one theory that the universe has both curvature and mass, the boomerang would, after infinite time, travel all the way around the universe to return where it started and hit Cueball in the head.


[Cueball is throwing boomerang.]
[Holding his hands up.]
[Cueball waits for return; continual waiting.]
[Cueball is dejected, head hangs low.]
[Cueball throws boomerang.]
[Cueball waits for boomerang.]
Outside: Oh God
Outside: The ozone layer!
[Cueball is surprised.]
[Cueball throws boomerang banana.]
[Cueball waits.]
[Megan walks in.]
Megan: That was our last banana.
Megan: You're such an asshole.
[Cueball throws boomerang.]
[Boomerang breaks out of the panel box.]
[Boomerang breaks out of a spacecraft, followed by Cueball.]


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OK, Dgbrt, you clearly know more about the universe's curvature than I do. Now, would you be so kind as to actually explain that rather than play tug-of-war with the incomplete tags? 23:41, 25 February 2014 (UTC)

I took a shot at it. Good enough to remove the incomplete tag? LogicalOxymoron (talk) 23:22, 12 March 2014 (UTC)

Should it be noted that a normal boomerang (a weapon) is not supposed to return? Only a returning boomerang (a toy) returns. Tharkon (talk) 00:47, 14 July 2014 (UTC)

What do you call a boomerang that won't come back ? ... a stick. (talk) (please sign your comments with ~~~~)

Bonus strip: Just read the rightmost panels straight down. It still works. Literally. 22:26, 28 June 2018 (UTC)