From
Wikipedia, the free encyclopedia:
The number π is a mathematical
constant, the ratio of a circle's circumference to its diameter, commonly
approximated as 3.14159. It has been represented by the Greek letter "π" since the mid-18th century, though it is also
sometimes spelled out as "pi".
And
today, math geeks everywhere are excited – a perfect Pi (π)
date out to four decimal places – 03/14/15 - won’t happen again for another
hundred years. Oh, and at 9:23 and 56
seconds, you can go out to nine digits!
"Pi
has held an almost mystical quality to humans throughout time," Smithsonian
Magazine explains. "Its unspoken presence can be felt in the circular
ruins of Stonehenge, in the vaulted ceilings
of domed Roman temples and in the celestial spheres of Plato and Ptolemy."
Of
course, there are Pi quilts! Check out
this one by Cheryl at her blog “Meadow Mist Designs - Engineer By Day, Quilter By Night”:
Cheryl’s
quilt was displayed in the Modern quilts section at the APQS show in Charlotte, NC in Aug 2014. Cheryl is a chemical engineer/patent agent and
a quilter – what a talented lady!
And
how wonderful that today is also Albert Einstein’s 136th birthday … So let’s eat birthday cake pie in celebration!
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