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Time since the extinction of dinosaurs

Time since the extinction of dinosaurs (66 million y)

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Neat Ratios ...

Time since the extinction of dinosaurs (66 million y)

  • is about as big as Time since the end of the Cretaceous geologic period (66 million y)...more
  • is 25 x Age of earliest stone hand axe (2.6 million y)...more
  • is 10000 x Age of the earliest city (6,500 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