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Archived threads in /sci/ - Science & Math - 1752. page

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SpaceX rocket launch in about 3:45 hours, they are attempting a landing again

20:43:00 UTC
4:43:00PM Eastern
1:43:00PM Pacific

>CRS-8 will be the first CRS mission to the ISS since the ill-fated CRS-7, and stowed in Dragon's trunk will be BEAM; a small Bigelow inflatable module to be attached to the station. The first stage, provided the barge is go to support a landing, will attempt to land downrange on OCISLY

Streams:
[NASA TV] http://nasatv-lh.akamaihd.net/i/NASA_101@319270/master.m3u8
[SpaceX Technical] https://www.youtube.com/watch?v=sh8V0COrrzE
[SpaceX Full/Hosted] https://www.youtube.com/watch?v=7pUAydjne5M

Mods sticky this
163 posts and 21 images submitted.
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>>7988214
2 hours and 30 minutes.
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>>7988214
A lot like Formula One, I only watch SpaceX rocket launches for the crashes.
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>>7988214
>Bigelow inflatable module to be attached to the station
Nice. Hope all works well

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I'm asking the smart folks here at at /sci/ for an answer to the age old question. I honestly don't have any idea.
41 posts and 11 images submitted.
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>>7987398
Much the same as they do today, to be honest.
>>
mexican
>>
Guessing that they will be cyborgs

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http://www.nature.com/mp/journal/vaop/ncurrent/abs/mp201645a.html

People’s differences in cognitive functions are partly heritable and are associated with important life outcomes. Previous genome-wide association (GWA) studies of cognitive functions have found evidence for polygenic effects yet, to date, there are few replicated genetic associations. Here we use data from the UK Biobank sample to investigate the genetic contributions to variation in tests of three cognitive functions and in educational attainment. GWA analyses were performed for verbal–numerical reasoning (N=36035), memory (N=112067), reaction time (N=111483) and for the attainment of a college or a university degree (N=111114). We report genome-wide significant single-nucleotide polymorphism (SNP)-based associations in 20 genomic regions, and significant gene-based findings in 46 regions. These include findings in the ATXN2, CYP2DG, APBA1 and CADM2 genes. We report replication of these hits in published GWA studies of cognitive function, educational attainment and childhood intelligence. There is also replication, in UK Biobank, of SNP hits reported previously in GWA studies of educational attainment and cognitive function. GCTA-GREML analyses, using common SNPs (minor allele frequency>0.01), indicated significant SNP-based heritabilities of 31% (s.e.m.=1.8%) for verbal–numerical reasoning, 5% (s.e.m.=0.6%) for memory, 11% (s.e.m.=0.6%) for reaction time and 21% (s.e.m.=0.6%) for educational attainment. Polygenic score analyses indicate that up to 5% of the variance in cognitive test scores can be predicted in an independent cohort. The genomic regions identified include several novel loci, some of which have been associated with intracranial volume, neurodegeneration, Alzheimer’s disease and schizophrenia.
151 posts and 15 images submitted.
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>>7987183
Genetics is the finger pointing to the moon. Don't mistake it for the moon itself.
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>>7987186
The glass is only imaginary if you imagine it.

Look, I can post retarded 2deep4u trash too.
>>
> genetics matter
> cognitive abilities are inherited
another /pol/ thread ?

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What should be NASA`s work?

NASA should be woried in produce capsules to ferry people to de ISS?

And the whole Journey to Mars™.It will work?

The SLS seems just a way to keep the shuttle beneffits roling again and not some real next step.What would be the best stuff NASA could do now,dump the SLS and start something new?

IMO:NASA should only make R&D and low profit investiments such as a Moon L2 space station or a moon outpost.The ferry and the vessels should be done by private companies like ULA,SpaceX and others.

your thoughts,anons.
86 posts and 15 images submitted.
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>>7986979
>NASA should be woried in produce capsules to ferry people to de ISS?
No. Plenty of other people are already further ahead there, and NASA isn't going to be able to compete with them on price.

>And the whole Journey to Mars™.It will work?
No. From what I understand, nothing NASA currently has in the pipeline is going to be capable of that. And NASA doesn't have nearly the budget to start developing anything else as well.

>What would be the best stuff NASA could do now,dump the SLS and start something new?
I don't think so.
The SLS clearly wasn't NASA's call, and if it DOES get canceled it's just going to be replaced with something equally stupid. So stopping it now would just set everyone back even further.

>The SLS seems just a way to keep the shuttle beneffits roling again and not some real next step.
Maybe.
Right now SLS & Orion look pretty useless, but if NASA could make enough promises to actually get them built they might be able to get some use out of them. If they waited until the pointless validation flights they "promised" are over, then stripped out a bunch of the pointless shit a replaced some of the dumber parts then then they might actually be good enough. They'd still cost fucktonnes too much, but they'd fly and they could be the start of an actually decent Moon Base program.

There's plenty of really cool stuff we could do on the Moon, if we had a base there and a super-heavy to throw stuff at it.

I'd write more but I'm out of time.
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>>7987286
OP BTFO.
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>>7986979
>What should be NASA`s work?

Lunar colonies (step 1 and the only thing they should be doing right now)
Martian colonies
Colonies on all other celestial bodies
Asteroid and planet mining
Generation ships

Is this the life story of every one on /sci/
>Top of class in high school
>Peers, teachers and parents hail you as a genius
>Chose the hardest most advanced STEM course at the best university in the country
>You will be the greatest, the next Feynmann
>This will make up for your poor social skills and virginity
>Once you're there you're #452 in ability
>Classes are dull formalizations of the same old classical mechanics and calculus you did in high school
>You aren't even able to keep up with this
>You are now a virgin AND dumb
>All your childhood ideas for warp drives and space elevators get dismissed as impossible
>Realize you will barely pass your course
>Realize you will likely never contribute anything
>Realize if you did it would be a 0.001% more efficient rocket engine or something equally mundane
>Realize you're now bald, fat, on a low wage with all your dreams crushed.
>An hero
126 posts and 17 images submitted.
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>>7986004
>>Realize you're now bald, fat, on a low wage with all your dreams crushed.

everything was accurate up till here

I have a full head of hair and am actually getting skinnier because I do not eat anything at uni, I starve until I am so hungry I am forced to leave my room and get food

but yeah im probably lower than #452 in ability, i am probably in the bottom quartile of my class
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That's why I took up to drawing furry porn
>>
Our Prof pretty much told us to expect to feel like that the very first day
>"You're not geniuses, you're not going to change the world, you're not innovators or you wouldn't be here, you're just here to get a job and be another cog in the machine, and that's fine."

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Let's get an unpopular opinion thread going.

/sci/ edition.
240 posts and 33 images submitted.
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>>7984254
Complex analysis is more eye opening and fundamental than Real analysis.
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Most human beings are not sentient.
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>>7984262
>Most human beings are not sentient.
I like you.

Here's mine:
We don't have enough to do to keep everybody busy doing something useful.
The whole "he fell for the STEM meme" meme is caused by everybody seeking out the "good" jobs creating a flood in the STEM job market.
But it's true in nearly all fields.
Before 1980, Murrica had a trade surplus.
We exported far more than we imported.
Today we import more than we export, but we have about the same level of employment.
Clearly, we're creating busy work.

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well? it's clearly 50 % right?
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2/3
>>
33%
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>>7983991
>>7984053
WRONG

>>7983996
CORRECT

to everyone who reply after me
2/3 is objectively correct and if you arrive at another number, double check it because it's wrong

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DAILY REMINDER THAT DAVID HILBERT HAS SET BACK MATHEMATICS A CENTURY WITH HIS QUEST FOR CHILDISH RIGOUR.

20TH CENTURY MATHEMATICS IS MOOT AND WE ARE ONLY NOW GETTING BACK ON THE RIGHT TRACK

IMAGINE A WORLD WHERE BASED GODEL WAS FOLLOWED INSTEAD OF FUCKING KEKKRAUT SHILLBERT. THIS IS THE WORLD I WOULD RATHER BE ON.

MOCHIZUKI IS THE ONLY PROFESSIONAL TO HAVE SEEN THIS AND IS WELL BEYOND THE 22ND CENTURY WHILE THE CULT OF HILBERT REMAINS 100 YEARS BEHIND
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>>7983869
You're right.
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I already laughed about
>SHILLBERT
yesterday

But let me just post this here, Hilbert has the cutest voice
https://www.youtube.com/watch?v=EbgAu_X2mm4

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What role does male pattern baldness play in the evolution tree? How does it help us?
96 posts and 18 images submitted.
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Type M master race
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>>7981650
>How does it help us?

How does hair help us?
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>>7981656
https://www.youtube.com/watch?v=yuedZ1Y_dU4

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Questions that don't deserve their own thread.

How does he do the first line after "And therefore"? I don't understand how he get's the right hand side.
320 posts and 49 images submitted.
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>>7980526
type that shit in wolfram alpha
noone's gonna do that baby shit for you, kid.
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Currently at a community college taking an 8 week course on History. It's busy work and complete garbage. It's too late for me since I am already taking the course, but how do we get rid of this requirement for future generations?
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>>7980526
Are you a retard?
[math]e^{ix}=e^{ix+0}=e^{ix+i\frac{y}{2}-i\frac{y}{2}}[/math]

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Have you for once, welcomed our Chinese overlords?
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>>7966481
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>>7966481
Obviously. I hope that the East Asian master race can bring peace and prosperity to all the peoples of the Earth :)
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How long is the vector (picture related)? How do I find out? I think it is 2,45 but I don't know how to calculate this. I made it over set of Pytagoras and a drawing.
12 posts and 1 images submitted.
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>>7998485
the length of (1, -1, 0) is sqrt(2)
the length of (0, sqrt(2), 2) is sqrt(5)

so it's sqrt5
2,23
>>
unless you're starting at (0,0,0), then all that shit gives you is a direction.

If it's the former, use your trig.
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>>7998485
sqrt(6)

http://mathworld.wolfram.com/VectorMagnitude.html

Hey /sigh/, how do you explain that the Sun is placed at the EXACT center of the solar system?
If it was set at ANY other location, the whole system wouldn't be perfectly balanced and we wouldn't even exist.
And that's the undeniable PROOF of Intelligent Design.
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>i make le shitpost
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>>7996906
this
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>>7996900
The center of gravity is at the center of the solar system, and so the sun, as the object with the largest mass, remains in equilibrium there. If a larger star were to enter our solar system, it would move to the center, displacing our sun.

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"BIG DATA!"
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It will end if and when companies determine they aren't getting a return on their investment in their data scientists. Until such a time, the meme lives on...
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>>7996642
>wearing chuck taylor's and a tie
Is this a smear campaign against data science? I don't want to be associated with these nerds.
>>
Look at his smug goddamn face.

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What interpretation of QM do you support and why?
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who cares, QM is wrong since it doesn't include gravitation
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the "it just werks" -interpretation
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>>7998800
Bohmian mechanics

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