Time since the birth of Pythagoras

Time since the birth of Pythagoras (2,591 y)

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Neat Ratios ...

Time since the birth of Pythagoras (2,591 y)

  • is 1/1000 of Age of earliest stone hand axe (2.6 million y)...more
  • is 1/1000 of Time since the end of the Neogene geologic period (2.58 million y)...more
  • is 1/4 of Time since first domestication of cattle (10,500 y)...more
  • is 1/4 of Time since first domestication of cats (10,500 y)...more
  • is 2/5 of Age of the earliest city (6,500 y)...more
  • is 1/2 of Age of oldest wooden wheel (5,150 y)...more
  • is 1/2 of Time since building of Stonehenge (5,120 y)...more
  • is 1/2 of Time since the earliest writing (5,100 y)...more
  • is 50 x Time since the first human walked on the moon (52 y)...more
  • is 50 x Time since first Boeing 747 entering service (51 y)...more

If this was a standard unit ...

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