mardi 30 septembre 2014

What is the most precise measurement ever made?

In another thread, a poster asserted that the ratio of two quantities was exactly



1 : 22,539,340,290,692,258,087,863,249



He even wrote it out " That's 22 septillion 539 sextillion 340 quintillion 290 quadrillion 692 trillion 258 billion 87 million 863 thousand 249." [I want to leave aside exactly what was being measured - for purposes of this thread assume that something supernatural or even metanatural was being measured.]



In any case, the number made me wonder how often scientists or engineers measure something to 25 significant digits?





via JREF Forum http://ift.tt/1vuwX7C

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