"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

Home - Facts - Quiz - Ratios - Countries

News - Love of Numbers - Big Numbers - Landmarks

Age of oldest wooden wheel

Age of oldest wooden wheel (5,150 y)

/fact/age-of-oldest-wooden-wheel

Link

Neat Ratios ...

Age of oldest wooden wheel (5,150 y)

  • is 1/500 of Age of earliest stone hand axe (2.6 million y)...more
  • is 1/500 of Time since the end of the Neogene geologic period (2.58 million y)...more
  • is 1/2 of Time since first domestication of cattle (10,500 y)...more
  • is 1/2 of Time since first domestication of cats (10,500 y)...more
  • is about as big as Time since building of Stonehenge (5,120 y)...more
  • is about as big as Time since the earliest writing (5,100 y)...more
  • is 2 x Time since the birth of Pythagoras (2,594 y)...more
  • is 2.5 x Time since the birth of Cleopatra (2,090 y)...more
  • is 20 x Time since the birth of Joseph Fourier (256 y)...more
  • is 25 x Time since the birth of Ada Lovelace (209 y)...more
  • is 25 x Time since the birth of mathematician Maria Gaetana Agnesi (206 y)...more
  • is 25 x Time since the first iron steamship crossed the English Channel (202 y)...more
  • is 50 x Time since the birth of chemist Rosalind Franklin (104 y)...more

If this was a standard unit ...