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/sci/ - Science & Math


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>> No.5390524 [View]
File: 223 KB, 800x600, 800px-Death_8_bg_082303.jpg [View same] [iqdb] [saucenao] [google] [report]

I just saw the xkcd comic.. Is there any reason why (e^pi)-pi is "almost" 20 but not quite? Or is it just a coincidence?

>> No.3960687 [View]
File: 223 KB, 800x600, 800px-Death_8_bg_082303.jpg [View same] [iqdb] [saucenao] [google] [report]

Sailing stones, sliding rocks, and moving rocks all refer to a geological phenomenon where rocks move in long tracks along a smooth valley floor without human or animal intervention. They have been recorded and studied in a number of places around Racetrack Playa, Death Valley, where the number and length of travel grooves are notable. The force behind their movement is not confirmed and is the subject of research.

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