Time since the first iron steamship crossed the English Channel

Time since the first iron steamship crossed the English Channel (197 y)

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Neat Ratios ...

Time since the first iron steamship crossed the English Channel (197 y)

  • is 1/250 of Time since first humans in Australia (50,000 y)...more
  • is 1/20 of Time since earliest wheeled vehicles (4,000 y)...more
  • is 1/10 of Time since the birth of Hero of Alexandria (2,009 y)...more
  • is 1/10 of Time since start of building of the Colosseum (1,945 y)...more
  • is 1/5 of Time since the birth of Omar Khayyam (971 y)...more
  • is about as big as Time since the first passenger steam railway service (194 y)...more
  • is 2 x Time since the birth of chemist Rosalind Franklin (99 y)...more
  • is 2.5 x Lifespan of human being (80 y)...more
  • is 4 x Time since the first man walked on the moon (50 y)...more
  • is 4 x Time since first Boeing 747 entering service (49 y)...more
  • is 100 x Lifespan of rat (2 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