Paper Size
The square root of two is the approximate aspect ratio of paper sizes under ISO 216 (A4, A0, etc.). This ratio guarantees that cutting a sheet in half along a line parallel to its short side results in two sheets having the same ratio.
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Famous quotes containing the words paper and/or size:
“Poems stirred
into paper coffee-cups, eaten
with petals on rye in the
sun—the cold shadows in back,
and the traffic grinding the
borders of spring ...”
—Denise Levertov (b. 1923)
“Delusions that shrink to the size of a woman’s glove,
Then sicken inclusively outwards:
. . . the incessant recital
Intoned by reality, larded with technical terms,
Each one double-yolked with meaning and meaning’s rebuttal:
For the skirl of that bulletin unpicks the world like a knot....”
—Philip Larkin (1922–1986)