(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
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       xkcd - A Webcomic - Indirect Detection (2071)
        
       Image:
 (PNG) indirect_detection.png
        
       I'm like a prisoner in Plato's Cave, seeing only the shade you
       throw on the wall.
        
       Comics reproduced from www.xkcd.com under license.
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