Buon Pi Day 2013 da Downloadblog

Oggi si festeggia. Non una festa qualsiasi, ma il Pi Day 2013: nel caso in cui non ve ne siate accorti, la data di oggi è infatti 14 marzo, che nella notazione "all'americana" 3/14 corrisponde al valore del numero Pi greco arrotondato come spesso succede alle sue prime due cifre decimali.

Se l'anno scorso abbiamo fatto ricorso a una torta per festeggiare, questa volta riportiamo il rap Lose Yourself (In the Digits), scritto da tale Pi Diddy del sito TeachPi.org e liberamente tratto dal brano Lose Yourself di Eminem.

Come ci fa sapere Wikipedia, la prima celebrazione del Pi Day si tenne nel 1988 all'Exploratorium di San Francisco, per iniziativa del fisico americano Larry Shaw, in seguito insignito del titolo di "Principe del pi greco". Il calendario della prima manifestazione prevedeva un corteo circolare attorno ad uno degli edifici del museo e la vendita di torte alla frutta, decorate con le cifre decimali del pi greco.

Questo invece il testo della suddetta canzone:

Lose Yourself (In The Digits)

Look, if you had…one shot…one opportunity…
To recite the digits of the number pi… One moment…
Would you capture it… or just let it slip?

His palms are sweaty, knees weak, head is heavy
The numbers cloud his vision already, keep it steady
He’s nervous, but on the surface he looks calm and ready
To re-cite, but it’s not quite off-settin’

That he’s froze now, and the whole crowd knows he vowed
To get it perfect, but the numbers won’t come out
He’s chokin’, how – everybody’s jokin’ now
Three point one five—woops—kablouw!

Snap back to reality, oh, it’s a malady
Oh, it’s so random, he choked
He can’t stand, but he won’t give up
That easy, no
He won’t have it, he knows – all his fans really hope
He can shatter the glob…

…al world record of Fo’…
…rty-two-thousand*, although
If-he-looks down at his notes, he knows that’s when it’s
Back to the learnin’ by rote
To feel rapture
He’d better capture those digits a little faster

You better lose yourself in the digits of pi, it’s a high
But you got a thousand more to go
The numbers do not stop
Or drop into pattern, no
And memorizin’ ‘em takes most of a lifetime

If I’m not mistaken, my memory’s wakin’
This number’s mine for the taking
Hear it ring, as I list all the, digits in order
And whole numbers are borin’, approximations just keep me snorin’,

Pi only grows longer to get more precise
A rounded-off fraction just won’t cut the ice
So twenty-two sevenths, you take my advice
If I catch you round here, you will

Pay the price, so give up this façade,
Ray-shee-os are oh so flawed
They close the door to those who like infinite
Strings of oh’s, 2s, 9s, 3’s, and 6’s, it

Shows the woes of-all-the schmoes who chose
To forgo Pi’s logic, and I
Don’t suppose those bozos applaud it
When I throw down the gauntlet, with a
“Three point one four”… I got it!

You better lose yourself in the digits of pi, it’s a high
But you got a thousand more to go
The numbers do not stop
Or drop into pattern, no
And memorizin’ ‘em takes most of a lifetime
Pi is 3.141592653589793238462643383279…

No more games, I’m-a bust right outta my cage, and
Get my Pi-recitin’ groove on, on this here stage
I was playin’ in the beginnin’, the mood all changed
I been broken up from soakin’ up this whole page

But I kept churnin’ and kept learnin’ to decipher
The rhythm of the number that makes me so hyper
All the pain and strife amplified by the
Fact that I can’t get back to my life, I’m

Whacked and I don’t exactly know why, I’m
Acting like I am attracted to Pi! So
Back to a kid jam-packed with random numbers
I think this whole process is makin’ me dumber

It still shakes me up, man, it makes me sentimental
That a number so essential is also transcendental
Caught up between bein’ in fashion and bein’ irrational
It’s passion flashin’ through my brain
Whenever I explain it

I just think pi is nice, Would you... like a slice?
I’ve gotten to the point, it’s like a vice, I’m not
Afraid of gettin' caught, but still it hurts a lot
Success is my only mathematic option, failure’s not

Pi, I love you, but these people got to know
A million tiny circles haunt my every thought
So here I go with my shot
Brain, fail me not,
This may be the only opportunity that I got!

You better lose yourself in the digits of pi, it’s a high
But you got a thousand more to go
The numbers do not stop
Or drop into pattern, no
And memorizin’ ‘em takes most of a lifetime
Pi is… 3.14159265358979323846264338327950288419716939937510582097494459…yeeeah.

You can do anything you set your mind to, man. Even memorizin’ pi. I’m out.

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