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8338 clicks; posted to Main » on 28 Jun 2012 at 12:49 PM (5 years ago)   |   Favorite    |   share:    more»

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Just got back from a lecture on this. Most interesting part is due to the geek crowd we were all "ok smarty but don't you dare touch my Euler's equation, it's too beautiful!"

Then the lecturer pointed out that e^(i*pi)+ 0 originally derives from

e^ix= cosx + isinx, which when you put in pi is
e^(i*pi) = -1

and actually, it's far prettier a formula if you use 2*pi,

e*(i*tau)= 1

I offered Vi Hart an email address at 3.14159265.net and she didn't want anything to do with that number!

right...next you're going to tell me that 0.999... = 1

Why don't we just simplify things and just use three? Makes the math much easier.

/Yeah, I wanted to be THAT guy today

Andromeda: e*(i*tau)= 1

Huh! I'd never noticed that before either. That's pretty awesome. :D

So, Tau Day celebrants, can I get a consensus here? Would the proper way to celebrate Tau day be to have two pies? Or just one pie, recognizing that pi is half a pie?

I found myself wanting to biatch slap the chick talking. Her pie making skills sucked too.

born_yesterday: Why don't we just simplify things and just use three? Makes the math much easier.

/Yeah, I wanted to be THAT guy today

The Bible beat you to it.

/Still waiting for fundie nutjobs to demand math teachers teach the controversy.

For the greater good!

But I'm only using half a sine wave!

Pi wins, you lose. Tau bad.

jbc: born_yesterday: Why don't we just simplify things and just use three? Makes the math much easier.

/Yeah, I wanted to be THAT guy today

The Bible beat you to it.

/Still waiting for fundie nutjobs to demand math teachers teach the controversy.

Actually, that particular chestnut is the result of a misunderstanding on both sides. Much as TV aspect ratios today, fluid-carrying containers in biblical times included an INTERNAL circumference, not the outer circumference, but an internal measurement that explicitly didn't include the wall thickness. Why, you ask? Because that's what, when multiplied by the height, told you how much fluid the container would hold. Thus giving you a '30-cubit-gallon jug'. This is vitally important when casting a container for your fluid. We don't use such fluid measurement today, so this particular phrase doesn't make any sense.

This problem is similar to how timekeeping in ancient times was measured in 'heartbeats', since they had no finer way of measuring time. But without this explanation, a phrase such as 'the race was done in 107 heartbeats' might not be understood on a first reading, despite having been translated correctly, because the world as a whole has changed since it was written.

Zalan: For the greater good!

*aims bolter*

Vi makes my pants feel funny.

How about you Tau folks get in the "Waiting for acceptance" line over there...right behind the Bronies.

KTHXBY

Zalan: For the greater good!

[img.photobucket.com image 640x480]

Beat me to it

I'm confused.....can I have a pop-tart?

2π, don't bother me...

unchellmatt: Vi makes my pants feel funny.

EMACS does it for me.

We'll call it T'Pau Day!

OK, so now what???

I've never understood the push for tau. Maybe those that support tau have never really worked with pi, but with how many situations pi appears in, you'd be using fractions of tau as often as you use 2*pi - it would really be a step back.

We'll call it T'Pau Day!
[images.wikia.com image 640x616]

I'd hit it.

/I see she's carrying a gaffe stick.

If the Pi is a lie then what is Cake?!?! And Tau, ?!?!?

I was told there would be no math, but then I realized I had clicked on a math thread.

/pi arent squared, pi are round. And delicious, especially strawberry rhubarb

jbc: born_yesterday: Why don't we just simplify things and just use three? Makes the math much easier.

/Yeah, I wanted to be THAT guy today

The Bible beat you to it.

/Still waiting for fundie nutjobs to demand math teachers teach the controversy.

It's funny how people point this out. It basically announces "I don't know the difference between accuracy and precision!" In short, saying pi=3 is accurate, while not being very precise. Saying that pi=4 would be inaccurate (and I recall that some state, Alabama, Indiana or whatever, tried to pass a law saying pi=4.) To say that pi=3 is inaccurate is to say that pi=3.1 is inaccurate, and so is 3.14, 3.141, 3.1416, 3.14159, etc. In fact, since pi is an irrational number, you would have to say that any representation besides pi=pi is inaccurate.

We'll call it T'Pau Day!

Kroykah!

dittybopper: unchellmatt: Vi makes my pants feel funny.

EMACS does it for me.

Oh I say... Well played. Well played, indeed.

/pico?

born_yesterday: Why don't we just simplify things and just use three? Makes the math much easier.

/Yeah, I wanted to be THAT guy today

Sounds like SOMEBODY'S too good for euclidean space.

We'll call it T'Pau Day!
[images.wikia.com image 640x616]

well played good sir

Is a creamtau when you are DPing a girl and both guys come at the same time?

awfulawful: Zalan: For the greater good!

*aims bolter*

DAKKA! DAKKA! DAKKA! WAAAAGH!

/Pontsy humie. Ya don't aim, ya shoot.

I'm, like, gonna have to commune with the ghost of Gauss for a while and see what he says.

The problem with tau is you don't define the circle by its diameter anyway. The equation for a circle has nothing to do with the diameter:

(x - h)2 + (y-k)2 = r2

The symbol tau has way too many uses in physics, from torsion to proper time to the time constant of a circuit to the lifetime of a particle. Heck there's even a particle called the tau lepton.

Despite the concept being interesting, I don't see how there's any room in physics for the letter tau at this point...

We'll call it T'Pau Day!

Oh, you put a lot of heart and soul into that one...I can tell.

Well, duh! Everyone has heard "the area of a circle is pi r squared" but this is obviously bullshiat. Pies are round, not square.

unchellmatt: dittybopper: unchellmatt: Vi makes my pants feel funny.

EMACS does it for me.

Oh I say... Well played. Well played, indeed.

/pico?

Actually, these days I'm using nano, but more often, TOAD.

DeltaPunch: The symbol tau has way too many uses in physics, from torsion to proper time to the time constant of a circuit to the lifetime of a particle. Heck there's even a particle called the tau lepton.

Despite the concept being interesting, I don't see how there's any room in physics for the letter tau at this point...

Easy: new letter.

Tri = 2*pi
______ = ____ x 2
| | | | |

Does this mean we will be switching to the metric system?

theorellior: The problem with tau is you don't define the circle by its diameter anyway. The equation for a circle has nothing to do with the diameter:

(x - h)2 + (y-k)2 = r2

That's the problem with pi, not tau.

pi = Circum/Diameter

Dammit, filter ate my spaces. Well just imagine that, graphically, tri is to pi as m is to n.

I feel more stupid for having watched that video. If you find yourself spending any amount of time championing a solution for a problem that exists only in your addled head, a hollow dome filled only with unwarranted self importance, and that solution promises only to make basic math more confusing with no real upside, you need to stfu and make me some pie.

Loomy: Dammit, filter ate my spaces. Well just imagine that, graphically, tristopiasmiston.

FTFY. It works better as a single word.

/Deleted an extraneous 'i'.

mightybaldking: That's the problem with pi, not tau.

Oh, yeah. duh.

malaktaus: I feel more stupid for having watched that video. If you find yourself spending any amount of time championing a solution for a problem that exists only in your addled head, a hollow dome filled only with unwarranted self importance, and that solution promises only to make basic math more confusing with no real upside, you need to stfu and make me some pie.

As much as I think Vi is kinda silly for championing tau over pi, the rest of her videos are pretty interesting and engaging. Her series on the Fibonacci Series was quite well done.

Spoken like a non-engineer. Tau is already a ton of things (one being time constant), pi is pi. Switching to tau may make mathematical purists excited but it'd be a nightmare.

bdub77: Is a creamtau when you are DPing a girl and both guys come at the same time?

Only if both males exceed 12.2 inches.

Then it's a kebab.

Mildot: OK, so now what???

[homeschoolhammock.com image 300x225]

Now hunger.

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