"The traditional mathematician recognizes and appreciates mathematical elegance when he sees it. I propose to go one step further, and to consider elegance an essential ingredient of mathematics: if it is clumsy, it is not mathematics." Edsger Dijkstra

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Duration of Mali Empire

Duration of Mali Empire (375 y)

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Neat Ratios ...

Duration of Mali Empire (375 y)

  • is 1/5 of Duration of Pandyan Empire (South India) (1,850 y)...more
  • is 2 x Lifespan of Galapagos giant tortoise (190 y)...more
  • is 5 x Period of Halley's Comet's orbit (75.3 y)...more
  • is 25 x Lifespan of a cat (15 y)...more
  • is 200 x Period of Mars's orbit (1.88 y)...more

If this was a standard unit ...

Is That A Big Number? - The Book

Yes, there's now a book based on these numbers. Oxford University Press: July 2018.

Click here to learn more about it.

Click here for Podcast: Andrew Elliott interviewed for New Books Network.

http://itabn.tumblr.com/post/138631317782/this-website