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/sci/ - Science & Math

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1289742 No.1289742 [Reply] [Original]

What mathematical or scientific concept made you shit bricks when you finally truly understood it?

pic related, this was one of my first...

>> No.1289753

OP is in 8th grade.

>> No.1289748

None. I'm not a child

>> No.1289761
File: 27 KB, 550x400, space.jpg [View same] [iqdb] [saucenao] [google]
1289761

space-time dilation

>> No.1289756

The Banach–Tarski paradox.

>> No.1289766

log ab = log a + log b

>> No.1289771

>>1289766
1+1=2

>> No.1289772
File: 107 KB, 1173x722, 1275170598282.jpg [View same] [iqdb] [saucenao] [google]
1289772

Pythagorean theorem. Awesome.
Back then, the most "complicated" formula i knew was the quadratic formula.

On topic: particle-wave-dualism. I didn't want to hear anything about electron waves, but god damn, there was no turning back.

>> No.1289791
File: 14 KB, 350x210, 350px-Fundamental-theorem-1.png [View same] [iqdb] [saucenao] [google]
1289791

This.

In calculus, this is when shit got real.

>> No.1289810

the complexity of human body

after 4 years of biology science, I shit brix everyday..

>> No.1289832

>>1289810

the sheer efficiency of the nervous system frightens me sometimes.

>> No.1289841
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1289841

>>1289836

>> No.1289836

>>1289810
Well just imagine how complex the intelligent designer is then

>> No.1289847

>>1289832
>implying it is efficient

>> No.1289854
File: 1.45 MB, 248x244, 1261741040575.gif [View same] [iqdb] [saucenao] [google]
1289854

>>1289836

>> No.1289859

when i realized why we cant solve for pi with calculus

>> No.1289867
File: 138 KB, 720x228, Pi-unrolled-720.gif [View same] [iqdb] [saucenao] [google]
1289867

>> No.1289891

Walther's law of the succession of geological facies.

>> No.1289897

Where the Laplace Transform comes from.

I shit about two whole buckets of bricks

>> No.1289905

Watching a neural network learn to recognize the digit 2.

>> No.1289913

Computers at their lowest levels of abstraction.

So it turns out these machines I've been using my whole life are basically mathematical logic given physical form? Excuse me while I go clean the masonry out of my shorts.

Mildly off topic because it's man-made, but still badass.

>> No.1289912

basic calculus was fascinating me
hopefully adv calc will do so even more

>> No.1289916

linearity in wave phenomena

basically, fourier series... breaking up any complicated waveform into simple sines and cosines....

>> No.1289933

>>1289897
why where does it come from?!?!?

>> No.1289934

Godel's Incompleteness Theorem.

>> No.1289958

>>1289753
>I am in 9th grade.

>> No.1289967

how to find square roots, shits amazing

>> No.1289968

when I learned that
x/0=infinity

>> No.1289979

I had learned about the age of the Earth since I was kid. I never got that five thousand year bullshit at school. It was always 4.5 billion years. It was something I thought I fully understood.

I am graduating in geology this year and I have come to terms with the fact that I will never be able to grasp the immensity of time. I will never fully visualize the physical behavior of gigantic chunks of matter as seen, not in a 100 year snapshot, but in a 15 billion year movie.

If I can't fully comprehend time, then I will never fully comprehend the size of the universe or appreciate the complexity of evolution.

The day I realized this, I shat bricks.

>> No.1289985

philosophy, but kinda related. forgot the technical name but it's how a virtual reality similar to the matrix would be impossible to differentiate from true reality.

>> No.1289996

>>1289985
a few weeks ago someone on /sci/ brought up the fact that magic and science would also be impossible to tell apart since we would investigate and map out exactly how the magic works similar to how science works.

>> No.1289997

>>1289985
> forgot the technical name
I'm pretty sure it's "self-evident shit".

>> No.1290024

>>1289996
Yeah. The only semi-feasible thing you could justifiably call magic are phenomena which CANNOT be mapped by human beings. I'd mention Heisenberg but I actually haven't studied the Uncertainty Principle so I'll just keep quiet.

>> No.1290030

>>1289997
a lot of shit in science and simple math is self-evident, but that doesn't stop people from mapping out the intricacies and implications. it's actually an interesting concept
http://en.wikipedia.org/wiki/Simulated_reality

>> No.1290043

>>1290024
You should probably keep quiet no matter what you're trying to talk about

>> No.1290078

>>1289968

No it doesn't. It's undefined.

Limits however, then yes.

>> No.1290096

I remember wondering if completing the square method came out with some sort of formula, and shat bricks when I noticed I had just proved the quadratic formula. In hindsight that should have been pretty damn obvious.

>> No.1290118

When I realized that most prime numbers divided by themselves in reality equal 0.999...
I felt like mathematicians had been lying to me this whole time

>> No.1290132

>>1290118
0.999999.... recurring is equal to one.

>> No.1290133

Valence electrons and their relation to chemical properties of elements, holy shit it still amazes me from time to time

>> No.1290147
File: 19 KB, 263x327, trollin.jpg [View same] [iqdb] [saucenao] [google]
1290147

>>1290118

>> No.1290151

>>1290118
>>1290132

Not this shit again.

>> No.1290171

>>1289867
i saw this one at wikipedia... i get cycled on PI, obsesed with the idea, and tell my parents, my brother, my boyfriend and my dog, how does PI works

>>1289968
this one... i discovered this one at 17, i get so dissapointed discovering that it was already discovered

>> No.1290181

>>1290118
when i found out a larger prime number had been found. it was 5 times as large as the previous largest prime number.

>> No.1290192

limit cycles

>> No.1290200

God I remember trig... triangles were fucking mind blowing at the time.

>> No.1290217

>>1290147
no I'm serious
Look let me show you
1/4=.25
.25 four times=4
Ok that's an even number
Now lets look at a prime number
1/7=0.1428
0.1428*7= 0.9999
1/3=0/333
0.333*3=0.999
1/11=0.0909
0.0909*11=0.9999
And so on...
Yet if you do that in a calculator it'll give you one instead

>> No.1290224

How about four years of mechanical engineering classes are based off of three or four equations.

>> No.1290241

>>1290217

1/5=0.2
0.2*5=1

And 5 is a prime number.

>> No.1290242

>>1290217
>silly mortal, prime numbers are integers

>> No.1290248
File: 32 KB, 651x451, 1277560881864.jpg [View same] [iqdb] [saucenao] [google]
1290248

>>1290217
>.25 four times=4

>> No.1290253

>>1290224
F=ma
F=-kd

uh... what else?

>> No.1290259

the reason why the slope is the same no matter what two points you use on a linear line: similar triangles.

>> No.1290261

>>1290241
yeah that's why I said most
5 and 2 are the exceptions

>> No.1290265

>>1290248
fuck I meant 1 >_<

>> No.1290272

>>1290253
=> ma = -kd

and you have derived the wave equation

>> No.1290274

>>1290253
L=T-U

>> No.1290285

i remember when someone first showed me why pi was 3.14...

>> No.1290290

>>1290253
E_in = E_out
uhh...

>> No.1290313

Girls have three holes

>> No.1290315

>>1289913

This, very much this.

I finally took the time to understand how my computer worked and it blew my fucking mind (Not hurr durr this is a hard drive, this is a motherboard, but more of what the motherboard actually does)

>> No.1290316

>>1290285
none of my professors have showed me yet, even when we studied trig and the unit circle. I mean, I have a good guess but I'd love to be shown very technically why.

>> No.1290324
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1290324

>>1290290
>>1290253
P_in = P_out

Although, for an engineer Newton's second law can often take this form...

>> No.1290334

1 != 2

>> No.1290358

I wear reinforced diapers. Everything makes me shit bricks.

>> No.1290366

anytime a math prof has shown a derivation of something significant i shit brix, it always puts a smile on my face because it's all pure logic and being able to comprehend it makes me feel great. all the proofs in this thread are great examples

>> No.1290403

Euler's Identity tbh.
I had just about cracked complex numbers when this was derived for me and then I was like "Eh, I see why this is, but wtf is it?"

>> No.1290430

>>1290224
>>1290224
>>1290224
>>1290224
>>1290224
>>1290224
>>1290224

THIS. HOLY FUCK THIS.

>> No.1290442

>>1290334
1! = 1