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January 8, 2007

• Cueball
• Megan

# #207: What xkcd Means

[[One car of two sitting at a red light makes a right turn, then shifts over to the left and makes a left turn to go back the way it came. It then makes another right and continues on the road past the traffic light. This is shown with a red arrow.]]

{{Panel title: It means saving a few seconds at a long red light via elaborate and questionably legal maneuvers.}}

[[Someone on a cell phone is shown in a circle in the panel. A second person in the panel itself is looking at a dog, from which the ringing sound of his phone is coming]]

«Ring»

{{Panel title: It means having someone call your cell phone to figure out where it is.}}

[[The mathematical function “A(g64, g64)=,” with the 64s subscripted, appears in the panel. Next to the equal sign stands a mathematician, clutching his head.]]

{{Panel title: It means calling the Ackermann function with Graham’s number as the arguments just to horrify mathematicians.}}

Mathematician: Aughhh

[[An approximately 8 by 8 square of floor tiles is shown; the first, fourth and seventh across in the first, fourth and seventh rows are black and the rest are white. A guy and girl are shown next to it, walking on what is presumed to be the same pattern of floor tiles.]]

{{Panel title: It means instinctively constructing rules for which floor tiles it’s okay to step on and then walking funny ever after.}}

{{Line indicating the uppermost right black tile: Black tiles okay}}

{{Line indicating tile directly below it: White tiles directly between black tiles okay}}

{{Line indicating a white tile in the last column over: Not okay}}