Happy Pi Day Open Thread: Monday, March 14, 2016

Happy Pi Day
Today’s number is 14, but I’ll throw in some Pi first
Pi is sometimes approximated as 22/7, giving it a link to 14 via the link between 1/7 and 1/14 to be discussed later
BUT! Pi, like modern politics, is irrational, it never ends.
We learn circles as kids;
Circumference = 2 • π • radius = π • diameter
Circle Area = π • r² = ¼ • π • d²
sometimes also spheres
Sphere Surface Area = 4 • π • r² = π • d²
Sphere Volume = 4/3 • π • r³ = ( π •d³)/6
But think about music for a minute, all those nice waves in the air, and in the wires and the headphones and the speakers
Those are sine waves and have zero amplitude at points that are Pi units apart, such as at -2 π, -1 π, 0, π, 2 π, etc. where the peak height is one unit
In between, they have alternating maximum and minimum values of + or - one unit at points that are integer multiples of π/2, for instance, a maximum at -3π/2, a minimum at - π/2, a maximum at π/2, a minimum at 3π/2, etc
The Pythagoreans knew that harmonics were based on fractions, but never learned that sound itself was trigonometry (which they didn’t grok)
sine
14 is the product of 2 primes, 7 and 2
Alrighty. If 14 = 7 x 2, then x/14 = x/(7x2). As we learned in last Monday's Open Thread, fractions of the form x/7 where x is a whole number not a multiple of 7 or 999,999 have an interesting property. For any even numerator x, x/14 will factor down to (x/2)/7, so even fractions of the form x/14 have the same interesting property. Interestingly enough, heh, for odd numerators, x/14 has a variant of that property. Last Monday = http://caucus99percent.com/content/open-thread-monday-march-7-2016 crossposted to http://www.dailykos.com/story/2016/03/07/1496115/-Open-Thread-Monday-Mar...
Briefly, the fractional part of x/7 is the number sequence 142857 repeated endlessly in that order from a varying but determinable starting point within that series. Thus 1/7 = 0.142857142857..., 2/7 = 0.2857142857..., 3/7 = 0.42857142857..., etc. 2/14 = 1/7 = 0.142857, etc. When x/14 has an odd numerator, the 142857 repeat kicks in, but not necessarily in mid series as it does with x/7. Instead, 1/14, for example = 0.071428571... and 3/14 = 0.214285714..., 5/14 = 0.357142857... etc.
Cambrian animals of the genus Hallucinogenia (wikiCommons picture) had 14 legs.
Hallucinogenia
14 BCE was the Year of the Consulship of Crassus and Lentulus. Claudia Pulchra was born. She became the 3rd wife of Publius Quinctilius Varus. (Yep, that Varus again. This is the 3rd time he has popped up in a Monday Open Thread in the few months I've been doing them. One time for each legion he got annihilated.)
14 CE was the Year of the Consulship of Pompeius and Appuleius. On August 19, Caesar Augustus died. He was succeeded by Tiberius on September 18. He was also declared to be a god, but I don't know the date. Being a god was easier then - just die with a lot of fans. Augustus' grandson, Postumus Agrippa, was slain by his own guards on August 20, but that isn't why he was named Posthumus.
On this date in
1592 was the best correspondence to Pi in history - 3141592
1794 Eli Whitney got a patent for the cotton gin
1885 The Mikado was first publicly performed in London
1903 The Pelican Island Wildlife Refuge was established
1910 The Lakeview Gusher blew its top near Bakersfield. It is still the largest accidental spill in history,
1931 The first Indian talkie, Alam Ara, was released.
1943 The Krakow Ghetto was liquidated
1964 Jack Ruby was convicted of killing Lee Harvey Oswald
1978 Israeli Defense Forces invaded and occupied southern Lebanon
1994 Version 1.0.0 of the Linux kernel was released
2007 The first World Math(s) Day was celebrated. So Pi 2 U 2!

tux-1

Born this day in
1681 Georg Philipp Telemann, a composer & music theorist
1804 Johann Strauss I, a composer & conductor
1820 Victor Emmanuel II, a King & The Father of Italy
1835 Giovanni Schiaparelli, an astronomer who is blamed for the Martian Canals silliness
1863 Casey Jones, an engineer for the Illinois-Central RR
1879 Albert Einstein, a patent clerk, engineer and scientist
1882 Wacław Franciszek Sierpiński, a mathematician & topologist
1887 Sylvia Beach, a publisher, founder of Shakespeare & Company
1912 Les Brown, a sax player, composer & bandleader
1914 Lee Hays, a singer & songwriter (The Almanac Singers & The Weavers)
1919 Max Shulman, an author & playwright
1920 Hank Ketcham, a cartoonist
1922 Les Baxter. a pianist & composer
1932 Mark Murphy, a singer
1933 Quincy Jones, asinger, songwriter, producer, & trumpet player
1943 Leroy Bonner, a guitarist, singer & producer
1945 Michael Martin Murphy a singer, guitarist & songwriter
1945 Walter Parazaider, a sax player (Chicago)
1951 Jerry Greenfield, an ice cream manufacturer
1954 Jann Brown a singer (Asleep at the Wheel)
Died this day in
1471 Thomas Malory, an author
1823 John Jervis, 1st Earl of St Vincent, an admiral & politician
1883 Karl Marx, an author and philosopher
1973 Chic Young, a cartoonist
1976 Busby Berkeley, a choreographer & director
1977 Fannie Lou Hamer, an activist
1989 Edward Abbey, an author & activist who liked solitaire
2012 Eddie King, a guitarist, singer & songwriter
Holidays, Holy Days, Feasts, Observances and such
Today is the Feast of Matilda
Today is also Pi day
So feast on this, folks
  
Looks like we gots 
Telemann
Strauss
Les Brown
Lee Hays (Almanac singers & Weavers)
Les Baxter
Mark Nurphy
Quincy Jones
Leroy “Sugarfoot” Bonner
Michael Martin Murphy
Walter Parazaider
Jann Brown
Eddie King
Telemann
Yet moar culture, Strauss.
Les Brown & His Band of Renown
Lee Hays (Almanac Singers)
Lee Hays (The Weavers)
Les Baxter
Mark Murphy
Quincy Jones; where to start?
Leroy “Sugarfoot” Bonner (The Ohio Players)
Michael Martin Murphy
Walter Parazaider (Chicago (Transit Authority))
Jann Browne
Eddie King

OK, it is an open thread, so go for it

I often check in late, but I’m not really needed for an open thread anyway.

Share
up
0 users have voted.

Comments

hecate's picture

Hallucinogenia animals have way more than 14 legs.

The second wife of Publius Quinctilius Varus was Gluteus Maximus.

Karl Marx died on the same day as was born Albert Einstein. Coincidence? I think not.

Matilda is the patron saint of waltzing.

That "American Pi" songwriter, Don McLean, he is currently undergoing mental difficulties, from years of straining his brain trying to understand that number. He recently held a press conference, in which he said: "Question: how many mathematicians does it take to change a light bulb? Answer: one. She gives it to three physicists, thus reducing it to a problem that has already been solved."

up
0 users have voted.
enhydra lutris's picture

getting Waltzing Matilda in there, but have a thing for that dental stop/lurch in Ma --Tilda, Ma--Tilda. Mostly, it was lack of a clever tie-in which you so brilliantly provided, but now the question is which version.OF course, it was staring me in the face what with Strauss and all, just not with it this week.

It must've been lae when I got to the born/died section, I missed the Marx-Einstein nexus entirely, thanks for pointing it out.

When they first found Hallucinogenia fossils, they were very incomplete and the discoverers thought tht the spines wee legs, so I could also segue to world turned upside down.

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

hecate's picture

they are often incomplete. ; )

Maybe the hiccups that annoy you in "Matilda" are there to accommodate the effect on the singers of prodigious beer consumption.

up
0 users have voted.
enhydra lutris's picture

but, quite the contrary, I find them pleasing a form of syncopation. In that song they are especially well coupled and contrasted with the hurried run-on of shetakeamymoneyand runavenezuela.

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

enhydra lutris's picture

to January 22. We have winter sunrise times. Barf.

Happy Pi Day anyway

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

hecate's picture

January 22, that means the people have to go through all the primaries again, and I don't know that there's enough Medicine for that.

up
0 users have voted.
enhydra lutris's picture

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

Pat K California's picture

Had to take 5 terms worth of calculus in college for my engineering degree way, way, way back when. But seldom had to use all that knowledge, so have forgotten most of it. The one thing I have never forgotten, ever, is that the formula for a circle's circumference is the derivative of the formula for the circle's area. So as long as I remember (pi)*r squared, I'm cooking with gas! Amazing what little things stick in one's head over the years, eh?

For me, engineering boiled down to algebra, geometry and trigonometry ... all of which I learned ... in high school. Go figure!

Thanks for all the music this morning, some of which I haven't listened to in a long while ...

up
0 users have voted.

"Long term: first the rich get mean, then the poor get mean, and the rest is history." My brother Rob.

enhydra lutris's picture

distance formulas, but I may have finally forgotten them now that I know that one is always here and now.

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

gulfgal98's picture

It's warmer than normal here in my part of the country, north Florida. I already voted via absentee, but my little drop in the bucket for Bernie is not going to help in my stupid state. Floridiots! ack!

I love pi. I love pie. And I loved the Life of Pi too! Wink

up
0 users have voted.

Do I hear the sound of guillotines being constructed?

“Those who make peaceful revolution impossible will make violent revolution inevitable." ~ President John F. Kennedy

hecate's picture

Here is a pi pie for you.
pi-day-61.jpg

up
0 users have voted.
gulfgal98's picture

Bernie pi pie! Biggrin

up
0 users have voted.

Do I hear the sound of guillotines being constructed?

“Those who make peaceful revolution impossible will make violent revolution inevitable." ~ President John F. Kennedy

enhydra lutris's picture

Enjoy your warm and your Pi.

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

detroitmechworks's picture

on your subject of Gods. It's always interesting that the civilizations with the greatest influence on art and literature seemed to have a love/hate relationship with the concept.

Seems that humans get the most mileage out of having a dogma to fight against actively, and yet its presence lends a stability in times of hardship. Love that kind of duality.

Was actually having a fun discussion with my kids (We're all HUGE Hellenistic Mythology buffs) about the fact that what we think of as the Greek Pantheon was a syncretic mess that was ordered by nerds. Essentially, the first fan-boys, attempting to create a whole out of a mess of other cults and beliefs. It's how they ended up with mystery cults, formal temples, and even public holidays all around the same pantheon, complete with demotions/promotions among the gods as cults rose and fell in favor.

IMHO, it's SO much more interesting than "Guy got nailed to wood, and now we will spend all of time showing you how what he said didn't really mean what he said."

up
0 users have voted.

I do not pretend I know what I do not know.

enhydra lutris's picture

whatnot. At least the greeks knew the difference between a god (zeuss, etc.) and a demi-god (half human, like Hercules, iirc). The guy they nailed to a stick was, according to any straightforeward reading of the myth, a mere demi-god by those rules.

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

detroitmechworks's picture

Which was already pretty crazy with the Pontifex Maximus...

And having to juggle cults from modern Turkey, Southern France, as well as Germanic paganism...
I'm surprised Christianity didn't get even MORE crazy than it did, honestly.

up
0 users have voted.

I do not pretend I know what I do not know.

hecate's picture

he was quantum. He was Yahweh himself, and also just some guy; fully both, and both at the same time. Kind of like being both a wave and a particle.

up
0 users have voted.
Bisbonian's picture

The area code for most of southern California when I was a kid was 714
Babe Ruth hit 714 home runs
My first job was at 714 Olive Street
My mother got married on 7/14
There are more, but I can't remember them right now.

I wear size 14 shoes...but that wasn't it.

up
0 users have voted.

"I’m a human being, first and foremost, and as such I’m for whoever and whatever benefits humanity as a whole.” —Malcolm X

enhydra lutris's picture

Friday, IIRC, was an LA cop, so his badge matched his area code. The Babd, however never played in SoCal, though, a much better pure hitter who enters into the legend of Ruth did, ye olde splendid splinter hisself got his start in San Diego. He started out as a pitcher, but when the manager saw him hit, he switched him to outfield so that he would be in the line-up every day.

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

Bisbonian's picture

from where I am sitting, though! I wish I knew enough to know who you are referencing in San Diego. My grandfather was a huge baseball fan, took me to see plenty of Padres games, always had the TV on a baseball game...

Ah, you gave me a clue. Ted Williams. I never paid much attention to the Red Sox.

up
0 users have voted.

"I’m a human being, first and foremost, and as such I’m for whoever and whatever benefits humanity as a whole.” —Malcolm X

hecate's picture

also references quaaludes, which power Uncle Ben Carson.

up
0 users have voted.
NCTim's picture

up
0 users have voted.

The individual has always had to struggle to keep from being overwhelmed by the tribe. If you try it, you will be lonely often, and sometimes frightened. But no price is too high to pay for the privilege of owning yourself. - Friedrich Nietzsche -

thanatokephaloides's picture

Joe Friday's badge number was 714

The area code for most of southern California when I was a kid was 714
Babe Ruth hit 714 home runs
My first job was at 714 Olive Street
My mother got married on 7/14
There are more, but I can't remember them right now.

The old-school Rorer Quaalude. (Rorer 714)

Wink

up
0 users have voted.

"US govt/military = bad. Russian govt/military = bad. Any politician wanting power = bad. Anyone wielding power = bad." --Shahryar

"All power corrupts absolutely!" -- thanatokephaloides

Gerrit's picture

most recent one is similar to this image:

i_ate_some_pie_tshirt.jpg

source: http://www.cafepress.ca/mf/73089332/i-ate-some-pie_tshirt?productId=8376...

Happy Pi Day everyone.
Thank you el, for this, and for the video clips. I'm listening to them all.

up
0 users have voted.

Resilience: practical action to improve things we can control.
3D+: developing language for postmodern spirituality.

pfiore8's picture

i don't know why.

up
0 users have voted.

“There are moments which are not calculable, and cannot be assessed in words; they live on in the solution of memory… ”
― Lawrence Durrell, "Justine"

NCTim's picture

up
0 users have voted.

The individual has always had to struggle to keep from being overwhelmed by the tribe. If you try it, you will be lonely often, and sometimes frightened. But no price is too high to pay for the privilege of owning yourself. - Friedrich Nietzsche -

hecate's picture

is bailing on The Hairball. She needs to go home and cook.

up
0 users have voted.
Unabashed Liberal's picture

transcripts to all of his paid speeches.

Good move, right before the vote!

Thanks for today's OT, el. Especially enjoy your Event Timeline and Born Today.

Mollie
elinkarlsson@WordPress


“If a dog won’t come to you after having looked you in the face, you should go home and examine your conscience.”-- Woodrow Wilson
up
0 users have voted.

Everyone thinks they have the best dog, and none of them are wrong.

enhydra lutris's picture

bord today and died today in lieu of any topical content since I generally write these up in advance. I'm not only on the left coast, but we are often traveling, out and about or otherwise busy on weekends. Using this format I can do these up a couple of hours at a time throughout the week and schedule for Monday well in advance.

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

Mission Accomplished?

President Vladimir Putin ordered the “main part” of Russia’s military forces to begin withdrawing from Syria, saying it’s completed its primary objectives after an almost six-month campaign.
“The effective work of our military created the conditions for the beginning the peace process,” Putin said during talks with Foreign Minister Sergei Lavrov and Defense Minister Sergei Shoigu. “I hope today’s decision will be a good signal to all the conflicting sides. I hope this will significantly increase the level of confidence of all participants of the settlement process in Syria and will contribute to the solution of the Syrian issue through peaceful means.”
Russia’s intervention in Syria swung the war in favor of Assad’s forces, which made major advances in strategically important regions since September.
up
0 users have voted.
NCTim's picture

Makes me think of Jazzfest. The food booths are exquisite and my tradition is to make my way from the turnstile to the pie booth as soon as I arrive. The booth is run by some vintage women of color and you can tell they know pie just by looking. So, the first thing I do is stop for a piece of sweet potato pie. Testament to the sweet potato pie -> roughly twenty years ago, I had the whole family @Jazzfest. My youngest was ~4 years old and I knew she like pumpkin pie. I did my usual sweet potato pie stop and tried to get her to sample the pie. She turned up her nose. I set the pie down and was preoccupied with something else, when I turned back to get my pie, it was gone. She broke down and gave it a try, all of it.

BTW, PI is the ratio of the circle's circumference to its diameter, hence pi*r**2=area of a circle.

up
0 users have voted.

The individual has always had to struggle to keep from being overwhelmed by the tribe. If you try it, you will be lonely often, and sometimes frightened. But no price is too high to pay for the privilege of owning yourself. - Friedrich Nietzsche -

enhydra lutris's picture

BTW, PI is the ratio of the circle's circumference to its diameter, hence pi*r**2=area of a circle.

and I said:

Circumference = 2 • π • radius = π • diameter
Circle Area = π • r² = ¼ • π • d²

Thanks for the tunes.

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

NCTim's picture

up
0 users have voted.

The individual has always had to struggle to keep from being overwhelmed by the tribe. If you try it, you will be lonely often, and sometimes frightened. But no price is too high to pay for the privilege of owning yourself. - Friedrich Nietzsche -

NCTim's picture

up
0 users have voted.

The individual has always had to struggle to keep from being overwhelmed by the tribe. If you try it, you will be lonely often, and sometimes frightened. But no price is too high to pay for the privilege of owning yourself. - Friedrich Nietzsche -

enhydra lutris's picture

up
0 users have voted.

That, in its essence, is fascism--ownership of government by an individual, by a group, or by any other controlling private power. -- Franklin D. Roosevelt --

mimi's picture

at the Technical University Berlin

A photograph of the Greek letter pi, created as a large stone mosaic embedded in the ground.
By Holger Motzkau - Own work (own photo), CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=3642272

That pie is for el to say hmmm and thank you:

Pi Pie at Delft University
By GJ - Pi_pie2.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=4427143

That was the main entrance in 1968 during protests against the "Notstandsgesetze" (German Emergency Acts). Looks like a little bit socialist, eh?

TU Berlin 1968a.jpg
By Holger.Ellgaard - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=7936806

I remember students organizing for protests in the "AudiMax" like this from 1971. This is from 1977. I was already "grown up" by then and worked and left the TU behind.

FU 76-77 (2.7).jpg
Von W. Hermann (Fotostab am IfP - Institut für Publizistik FU Berlin) - http://www.weltgegend.de/ends/uni.html, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=31334551

Somewhere in there, I think it was the 11th floor, I wrote my thesis:

Berlin Charlottenburg TU ZEMS.jpg
By Nikolai Schwerg - Deutsche Wikipedia, quote of the upload blog: (Löschen) (Aktuell) 19:38, 11. Jul 2004 . . Nikolai Schwerg (Diskussion) . . 600 x 800 (103652 Byte) (*Beschreibung: Technische Universität Berlin - Zentrum für moderne Sprachen (ehemaliges Telefunken-Hochhaus) *Quelle: fotografiert am 22. Juni 2004 *Fotograf: Nikolai Schwerg *Lizenzstatus: GNU FDL), CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=690492

That's the Chemistry Building (back then it was "Technical Chemistry Building" only. I can't remember it was so "green". I remember standing in the cold, waiting for the bus, pregnant, trying my first cigarettes in the expectation they would warm me up. Kinda didn't work. I never smoked again. Smile

TU Berlin MS-Gebaeube.JPG
Von Matti Blume - Eigenes Werk, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=4644103

I don't remember much of it. All gone. But if you want to learn something of the number pie and more, you know it's tuition free over there.

up
0 users have voted.