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Archived threads in /sci/ - Science & Math - 228. page
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What does /sci/ think about ETH Zürich in Switzerland?
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I'm studying there, it's pretty GOAT, but the women are terrible.
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Well it's in the best country in the world, so it must be good.

>everybody has a gun, based gun laws
>only white people
>no crime
>beautiful scenery
>rich as fuck
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ETH Zürich physics student reporting in, bretty good, workload is intense, but the second and third year of the bachelor are rumored to be less stressfull. The ETH is among the best universities of the world when it comes to physics. (still wishing I was studying in Cambridge though, oh well).
Any questions?

Does the gibberish written on the blackboard ever make sense?
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Holy shit this board is so garbage
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>>7698667
>Girls do better than boys in math + science
That is definitely not true. I will give them that girls and boys can be as good as each other when it comes to math and science. Seriously, this femenist proapaganda of "womyn be gud and buys b dumm" hurts my head.

>stereotypes keep them away from STEM
Says who? Where's the data. Has a woman ever said:
Oh, I really wanted to get a 300k starting job in mathematics but the stereotypes...
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>>7698667
Arguable, the success you experience in school and the success you gain in professional work is not likely as correlated as you would like. The 1%'ers that make it as successful and productive STEM'ers, especially in the hard sciences, are different in a way grades only partially show. They certainly got good grades, but there is a huge difference between learning and creating.

http://www.megafoundation.org/CTMU/Articles/Langan_CTMU_092902.pdf

The world's smartest man has just come up with a theory of everything.

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No he didn't.
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>>7698642
>has just

he published that tripe fucking years ago
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>>7698647
and the leading physicists are still struggling to udnerstand it. That's how much more intelligent he is than us.

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Hey /sci/ averagefag here with a question. What would have happened if we started to build down, into the ground, instead of up?
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>>7698572
We wouldn't because digging into the ground is more of a pain in the ass than just sticking floors on top of one another.
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>>7698572
THE EARThis Hollow, THE nAZIS LIFE THEIRE
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there's underground water so you would need additional protection
you don't get sunlight, it's probably bad for your health and you need more electricity
also this >>7698578

ITT I will try to solve (and in fact solve) all the Millennium Prize Problems one by one. I will do so by a new proof technique that has been proved to be quite powerful. It combined homothopy theory with algebraic geometry. Having said that, the proof technique itself is elementary though. So, let's go ahead.

1. $\displaystyle P = NP$

By definition, polynomila algorithms admit decomposition in chains of smaller polynomial algorithms. Consequently, polynomial time algorithms do not solve problems where blocks, whoose order is the same as the underlying problem, require simultaneous resolution. Thus, in fact $\displaystyle P \neq NP$

2. Hodge conjecture

Assuming that if a compact Kähler mainfold is complex-analytically rigid, the area-minimizing subvarieties approach complex analytic subvarieties. The set of singularities of an area-minimizng flux is zero in measure. The rest it left to the reader as an easy routine excersize.

3. Riemann hypothesis

This is a simple experimental fact. $\displaystyle 10^13$ roots of the Riemann hypothesis have been already tested and it suffices for all practical applications. In fact, one state a suitable statistical hypothesis and check it on the sample of, say, $\displaystyle 10^5$ roots.

4. Yang–Mills existence and mass gap

Well, discrete infinite bosonic energy-mass spectrum of gauge bosons under Gelfand nuclear triples admits non-perturbative quantization of Yang-Mills fields whence the gauge-invariant quantum spectrum is bounded below. A particular consequence is the existence of the mass gap.

5. Navier–Stokes existence and smoothness

(To be continued)
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(Cont.)

I haven't worked this one in such detail, but observing that

$\displaystyle \| L (u, v) \| ^ 2 = \sum_{n \ge 25} u ^ 2_ {2n} v ^ 2_ {2n +1} / n ^ 2 \le C\|(u_n/\sqrt n)\|_4^2 \|(v_n/\sqrt n)\|_4^2 \le C\|(u_n/\sqrt n)\|_2^2 \|(v_n/\sqrt n)\|_2^2 = C \left (\sum u ^ 2_ {n} / n \right) \left (\sum v ^ 2_ {n} / n \right)$

one can easily find at leat one closed-form solution applying the bubble integral. In the equation, $\displaystyle L$ is a bilinear operator.

6. Birch and Swinnerton-Dyer conjecture

The...
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Of course, if you have any questions, I'll answer them with pleasure.
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can u do triple integrals?

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>tfw I fell for the STEM meme

Now I'm unemployed and live in my mums basement with zero income. Fuck.
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>>7698509
>wanting to become a wagekek
Why?
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>>7698515
Dude wageslavery is just fine for the majority of the world you know...

You work, at some boring 2-bit job, get some money, come home, grab something to eat and some beer, chill out and watch TV, shower and go to bed, repeat the next day, until you die.

That's the life, r-right?
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>>7698509
if you really studied something, you should be able to create value even from your basement.

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Gas turns into stars, which turns gas into energy and heavier elements.
Does this mean that the universe will run out of gas and stars in the distant future? Or is it a renewable process somehow?
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Elements heavier than iron don't have exothermic fusion reactions. That and the universe is fundamentally on a one way street thanks to the second law of thermodynamics.

So a long long long time from now the universe will be dead in some sense.
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>>7698447
Who knows... Who knows..
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>>7698450
Man, I hope the ergodic hypothesis is false too.

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Black holes aren't real.

Prove me wrong.
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>>7698205

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>>7698205

That's not how this works. You made a claim, thus it's up to you to provide evidence to back it up.

> B-but it's impossible to prove a negative!

True, that's why you shouldn't have phrased it such a retarded fashion.
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>>7699414
If you try to claim they're wrong, you yourself have made a claim that must be backed, though.

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>Ejaculation increases testosterone levels
>Testosterone turns into DHT in the skin
>DHT can cause acne and baldness
Is freq ejaculation the reason we go bald?
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>>7698139
Why don't you take the scientific approach and stop ejaculating and let us know how it goes in 30 years.
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>>7698139
Ejaculation decreases testosterone (and dopamine), while increasing prolactin. Lack of orgasm increases testosterone levels for ~1 week. I don't know if it truly drops back to baseline after that, but that's what's frequently said. No literature I've read has gone into that aspect.
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>>7698144
...

https://libraryofbabel.info/

Does the online 'Library of Babel' have any use? Technically, isn't the cure for cancer and secret to FTL travel hidden somewhere on this site?
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yes now find it
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What he said. Its in there somewhere, you can get it and be reknowned the world over if y'just go digging.
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I hope you're trolling, but honestly, I'm not even sure anymore

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so I've been avoiding inquiry regarding this for a while, whats the verdict on the effects of using microwaves to prepare food over the course of many years?
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>>7697932
they're not powerful enough to do more than oscillate water molecules. microwave ovens are perfectly safe. it's only 250ish htz not enough to do damage to stuff
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It creates radioactive isotopes like polonium 210 and cesium 137 in your food
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>>7697935
They do more than oscilate water. Microwaves heat according to the heat capacity. Its why glass heats up to 100°C before the water in the glass fully boils.

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Is theoretical physics basically a meme science now?

>wasted decades promoting superstring theory as fact
>wasting even more cycles on shoehorning gravity into QM
>"dark" matter and energy fudge figures being paraded as factual before evidence
>totally ignores that QM breaks causality despite experimental evidence predicted by the maths
>totally ignores that QM breaks FTL despite experimental evidence (entanglement)...
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>>7697921
What should they be saying/doing in your opinion anon?
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>conscious observation
Jesus Christ, you've got to do better than that on this board.
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>>7697934

>despite Einstein, Bohr, Schrodinger and others instantly noting that the otherwise flawless QM model implies it

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Well /sci/ can you figure it out?
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It doesn't matter what they say because they're fucking disqualified for revealing information to each other.
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I can figure out that Jill and Bob are a bunch of filthy cheaters.

Bob tells Jill that it's not a rectangle.
Jill tells Bob that it's the orange triangle.
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>>7697793
Oh wait, I didn't see the purple circle. Whatever.

First year student here. Not 100% sure on major but thinking about Chemistry. What to expect out of Gen Chem. 1 and Calc 1? Also, I have to take either philosophy or psychology and I'm going philosophy, anyone have any opinions on Philosophy classes?
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>american government
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>>7697752
/pol/ Sci or American government is required and I did well in the high school class
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>>7697748
Well, I don't have a schedule next semester because I'm a horrible, lazy failure
but, I have taken both a psychology and a philosophy class before, and I personally enjoyed psychology more.

Can someone please explain to a retard why microwaves are apparently dangerous if they're weaker than both infrared and visible light?
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>>7697650
>microwaves are apparently dangerous

They aren't.
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>>7697650
Elevation of heat shock proteins (by non-thermal means).
Certain cells are vulnerable to its magnetic field, and more so during specific parts of their cycle.
Exposure results in increased ROS production.
Changes in gene expression, naturally, are also observed.

Not going to go into the research about pyramidal cell dysfunction, or dysfunction of cells in the dentate gyrus / hippocampus. Don't care to go into increased blood brain barrier permeability either. Some studies show statistically significant...