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Journeyman Geek
Journeyman Geek
1:38 AM
 
 
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XKCD
XKCD
8:10 PM
 
 
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OakBot
OakBot
10:26 PM
@XKCD XKCD #2913 Explained: The periodic table is used to arrange chemical elements based on their properties. This comic groups them together into regions.
 

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