Age of earliest sewing needle

Age of earliest sewing needle (30,000 y)

/fact/age-of-earliest-sewing-needle

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Neat Ratios ...

Age of earliest sewing needle (30,000 y)

is 1/10000 of Time since the end of the Carboniferous geologic period (299 million y)...more
is 1/2500 of Time since the earliest primates (75 million y)...more
is about as big as Time since first humans in Europe (30,000 y)...more
is about as big as Time since extinction of Neanderthals (30,000 y)...more
is about as big as Time since the earliest bread baking (30,000 y)...more
is 2 x Time since first humans in Americas (15,000 y)...more
is 25 x Time since the birth of al-Kindi (1,220 y)...more
is 40 x Time since the birth of Dante Alighieri (757 y)...more
is 250 x Time since first transatlantic wireless communication (121 y)...more
is 400 x Period of Halley's Comet's orbit (75.3 y)...more
is 400 x Time since the invention of the transistor (74 y)...more
is 500 x Time since first human went into space (60 y)...more
is 1000 x Lifespan of horse (30 y)...more
is 1000 x Period of Saturn's orbit (29.5 y)...more
is 2000 x Time since first iPhone launched (15 y)...more
is 2000 x Lifespan of a cat (15 y)...more
is 2500 x Period of Jupiter's orbit (11.86 y)...more

If this was a standard unit ...