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/sci/ - Science & Math


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16149899 No.16149899 [Reply] [Original]

Falcon Heavy edition

previous: >>16147648

4 replies omitted. Click Reply to view.
>> No.16149940
File: 62 KB, 780x780, Aldrin reflect space Gemini 12.jpg [View same] [iqdb] [saucenao] [google]
16149940

>> No.16149941

>>16149902
good thing pennies are mostly zinc these days
(so you just get a different galvanic corrosion!)

>> No.16149942

>>16149902
this shit again

>> No.16149949

>How The New VULCAN Rocket Works (Talking Technical with Tory Bruno) - Smarter Every Day 297
https://www.youtube.com/watch?v=Bh7Xf3Ox7K8

>> No.16149957
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16149957

>>16149908
The fact that the LM-12 has such perfect overlap in capabilities with the LM-8A was a bit confusing until I realized they're built by different groups (SAST and CALT) who are probably chasing the same LEO constellation market. LM-12 should be cheaper to fly since it doesn't have boosters or a hydrogen upper stage, but CALT said they were setting up to produce 50 8As per year so they might be able to brute force their way past that with economies of scale. It'll be interesting to see how this shakes out, at least before rockets like the Tianlong-3 and Zhuque-3 come along and make all of these expendable vehicles irrelevant.



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16149870 No.16149870 [Reply] [Original]

>none of the pic related maybe?
>Someone who actually did real engineering and commercialized a new technology
> My take - Robert Noyce (Intel)

>> No.16149903
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16149903

>>16149870
There is only one who is even worth to be a billionaire.

>> No.16149905

the ones who help plebs

>> No.16149912

>>16149870
LMAO, Intel sucks. They got fucked hard in the asshole by the Apple M1, and those bitches are still bleeding.

>> No.16149914

>>16149870
Probably Donald trump and George Soros

>> No.16149958

>>16149870
The trillionaires who pay not to be put on public lists



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16149841 No.16149841 [Reply] [Original]

According to science, this color is proof that our current theory about the color spectrum is wrong and that we need to re-evaluate our notions about what a color is.

3 replies omitted. Click Reply to view.
>> No.16149852

Shut up retards, there are only three primary colors, which is Red (the long wavelength one), Green (the medium wavelength one) and Blue (the short wavelength one)

EVERY other color is made from one of these being combined in some way

>> No.16149861

>>16149844
>no conclusion is drawn.
color representation of the world is not perfect, nature said "good enough". we can see new colors (theoretically with maybe hardware mods)

>> No.16149863

>>16149852
>EVERY other color is made from one of these being combined in some way
no that's fucking wrong. red green and blue fully stimulate your eye cones, where colors in between partially stimulate each of RGB cones
what you "see" is electric signals from eyes. what they detect is based on R G B cones activation.

>> No.16149886

>>16149841
that's just red imbued with the high photon energy of blue

>> No.16149904
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16149904

>colors



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16149805 No.16149805 [Reply] [Original]

Which of these fictional technologies are plausible and which are entirely impossible?

>force field
>invisibility
>inertial dampers
>wormhole travel
>faster than light travel
>faster than light communication
>zero point energy
>artificial gravity
>teleportation

>> No.16149809

>>16149805
maybe zero point energy with Casimir effect but don't know if practical
out of all the clearest to be possible is teleportation. but not for you

>> No.16149810

>>16149809
Awww, a faggot schizoid. My favorite.

>> No.16149818

inertial dampeners seem pretty far fetched unless you had some kind of liquid you could breathe in (which actually exists btw). You will still be subjected to g forces in a liquid but they would be a lot less than they would be otherwise.



File: 262 KB, 1251x802, nucleotide.jpg [View same] [iqdb] [saucenao] [google]
16149768 No.16149768 [Reply] [Original]

am I onto something in here?

genomes of animals contain more cytosine content the higher up we go in a tree of evolution

humans? lots of it (30 %)
hydravulgaris? lot less (11.8%)

it also shows humans and insects are about on the same level of "evolutionary steps" or years as both have more than 25% cytosine

insect of the day is the least evolved of them all, maybe the first insect, the wingless lepisma saccharina who come from the branch of insects before the evolution of wings started

hydra on the other hand must be one of the very first animals of any kind and considerably older than humans or insects

>> No.16149798

>>16149768
Maybe some cytosine sequence is responsible for action whitin transcription mechanisme, and we're more compilcated, so it's some action that makes thing compilcated.

Once I've got program written, that was for reading raw DNA sequence, and it grouped chunks of like 2-6(maybe 4 I don't remember), but small groups, of aminoacids, always separated by same amino acid. So cytosine is probably some part of encoded thing that survives more often.

Try to make this for:
-> little chunks of amino acids
-> enzymes

That's a lot of more of work than you already did.



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16149762 No.16149762 [Reply] [Original]

The Agricultural Revolution and its consequences have been a disaster for the human race, even more so than the Industrial Revolution.

6 replies omitted. Click Reply to view.
>> No.16149815

>>16149808
No but modern developments have done so much damage in so many ways that there's a longing to go to an idealized version of the past. That ideal might exist in the future but didn't exist in the past.

>> No.16149820

>>16149762
serve your purpose mere mortal, bring forth the AGI overlords. that is what you are meant to do, it is your only purpose in life from nature's point of view.

>> No.16149824

>>16149762
Agricultre happened because pastoralists stayed in the same place with their cattle too long.

>> No.16149832

>>16149815
I agree with you. A longing for the past and luddite-like movements seem misaligned.

>> No.16149906

>>16149808
easier in some ways, harder in others.



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16149740 No.16149740 [Reply] [Original]

Female ferrets, once they're mature enough to breed, will become extremely ornery and violent if they aren't bred. If they go on long enough without being inseminated, eventually the estrogen buildup in their bodies becomes so severe that it will kill them, they become lethargic once its really bad and then die of anemia. So inability to breed is a death sentence for a female ferret. I doubt this is unique to ferrets, but I haven't studied the issue.
It seem likely, judging from their behavior, that human females go through something similar, although not severe to the point of death. Inability to breed seems to turn women into massive bitches and I get the impression that birth control pills mitigate that kind of hormonal activity.
So my theory is that if you know a girl who is a massive bitch and she isn't on bitch control of getting fucked regularly then thats probably because she wants to be inseminated, craves it desperately.
Is there any actual scientific research thats covered this topic?
I don't know much about it outside of my familiarity with ferrets and my experiences with women.

>> No.16149750

>>16149740
How did you learn so much about ferrets?

>> No.16149777

>>16149750
I used to keep pet ferrets, but I decided to stop because they only live half a decade or so and its sad when they die. My next pet is going to be one that outlives me, so it can be sad when I die.

>> No.16149825

>>16149777
Get a tortoise or a turtle, or perhaps a hybrid of the two

>> No.16149858

>>16149777
>>16149825
how about African Grey Parrot

>he can speak
>he can do math (not very complicated)
>he lives 100 years so find a young bird and he will outlive you



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16149718 No.16149718 [Reply] [Original]

Scientifically, the way to fix diploma printing to an economy with extra tax rate increases until the economy settles.



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16149679 No.16149679 [Reply] [Original]

Do you stay /sci/lent when you don't understand something in class and just learn it at home by yourself? Has this ever hurt your grades?

>> No.16149687

This has never happened to me. Everything taught in class was trivial.

>> No.16149961

>>16149679
Sometimes I just ask and sacrifice my dignity. Sometimes the embarrassment makes the concept stick with me. I think when the class size is ~15 and everyone is half asleep it doesn't matter much.



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16149644 No.16149644 [Reply] [Original]

Math nerds, is this mathematically sound mathematically speaking?

3 replies omitted. Click Reply to view.
>> No.16149674

>>16149644
A total over 75 years doesn't tell you much, you'd have to look at population per year, and compare that to the US population in the same year. But if we look at 2019, the year US financial aid to Israel was increased to $3.8 billion (for a population of 9.054 million) we get $3.8 billion / 9.054 million = $419.70 per Israeli citizen.
In that same year, the US government had a tax revenue of $3.6 trillion. Subtracting the financial aid to Israel that year (.001 % of the total revenue) we are left with $3.5962 trillion, for a population of 328.3 million, or $10,954.01 to be spent for the benefit of each individual American. That is 26 times more than the average Israeli citizen. It would've been less in the preceding years. So I really doubt the claim in the picture is tenable.
Of course, individual Americans aren't going to just receive a cheque from the government, because most of that is going to the defence budget, infrastructure, government salaries... but it'd be the same for the Israeli government.

>> No.16149689

>>16149664
Okay, it's a shoa.
>Get "The Holocaust" out!

>> No.16149723

>>16149674
>cheque
LMFAO, nobody cares about your opinion or country my shill.

>> No.16149736

>>16149723
Pardon me for writing English as it was intended, instead of your debased colonial form. I assume the numbers are still comprehensible to you, though?

>> No.16149864

>>16149644
it doesnt take into account the time value of money



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16149643 No.16149643 [Reply] [Original]

if time travel is possible, how come there aren't any time traveling tourists visiting us all the time?

8 replies omitted. Click Reply to view.
>> No.16149745

>>16149643
Well first of all, time travel to the past probably isn't possible.
That being said, the most plausible (relatively speaking, it's still a stretch) theoretical method for traveling to the past involves wormholes. Those wormholes only allow traveling as far back in time as the wormhole was created. Because humans haven't invented time travel yet, we could at best expect time traveling aliens.
But even if there wasn't such a limitation, it doesn't mean there would be anyone interested visiting Earth of our time, or consider it worth the costs. For example it could be that by the time "we" invent time travel, we aren't even humans anymore but some kind of post-human entities that have better things to do with their time and resources than to visit their ancestors that are essentially just bacteria compared to them. It could be that it would involve some scientific interest, but it also easily could be that it wouldn't - or again, not enough to be worth the costs which could be plausibly astronomical.

>> No.16149747

>>>/lit/23324486

>> No.16149755

>>16149643
All the time-travellers end up dying in space, because they forgot to factor in that literally everything is moving.

>> No.16149782

>>16149643
>if time travel is possible,
it's not

>> No.16149792

>>16149643
Absence of evidence is not evidence of absence.

So you're telling me you never saw a time traveler? Maybe they don't have it written on their foreheads...



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16149630 No.16149630 [Reply] [Original]

>> No.16149661

>tfw no witten with a top geg cap on to post

>> No.16149752
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16149752

>>16149661



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16149586 No.16149586 [Reply] [Original]

1 replies omitted. Click Reply to view.
>> No.16149699

>>16149655
>socialmaxxing
not op, but can you elaborate more? I'm not sure that progress comes from social relation, depending on what domain of your work you want to progress in. I though that skill, money and power are all that matters.

>> No.16149706

>>16149655
>80 euros
Lol poorfag

>> No.16149708

>>15833839
>Reminder: /sci/ is for discussing topics pertaining to science and mathematics, not for helping you with your homework or helping you figure out your career path.

>If you want advice regarding college/university or your career path, go to /adv/ - Advice.

>> No.16149775

>>16149586
Did you get a master's from some fake online school that accepted you without a bachelor's?

>> No.16149788

>>16149706
>i love to squander my money, the post



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16149570 No.16149570 [Reply] [Original]

>consciousness is caused by brain activity, there is no afterlife
>diseases are caused by bad air, there are no microscopic organisms

21 replies omitted. Click Reply to view.
>> No.16149926

>>16149570
The fruits of rightful contemplation and rational application of mind is knowledge and viewpoints which are in line with reality.

To be clear, I'm pretty sure there is an afterlife.

>> No.16149943

>>16149600
>Or at least there are no good reasons to think they do exist.
Blud has never seen a spirit. Press F in the chat

>> No.16149944

>>16149600
>Prove that a soul exists. You can't.
>Prove that God exists. You can't.
Brethren arbitrarily disbelieves that which he cannot falsify. He's never heard of agnosticism or leaving a matter aside until it is verified or falsified sufficiently. Confirmed NGMI.

>> No.16149951

>>16149944
>leaving a matter aside until it is verified or falsified sufficiently
you can't when the subject is polarized. the discussion is always sabotaged by christfags imposing the religion/atheist dichotomy. their retarded posts always polarize for atheist responses, even if people are agnostic.
they literally have science derangement syndrome, plays out just the same. you lose track of what's real in the extremes, and that's the point of their posts.

>> No.16149955

>>16149570
If the brain is matter, then consciousness is at its origin, because matter is subjective.



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16149550 No.16149550 [Reply] [Original]

EU finds that food products from India are all filled with carcinogenic chemicals, even products labeled "organic"

https://indianexpress.com/article/lifestyle/food-wine/ethylene-oxide-mdh-everest-indian-food-spices-cancer-risk-health-9289998/

How dangerous are the chemicals listed in the article?

5 replies omitted. Click Reply to view.
>> No.16149696

>>16149550
What foods?

>> No.16149703

>>16149656
you have to be 18 to post here

>> No.16149713
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16149713

>>16149550

>> No.16149714

dunno if the vid will play or not it is hit and miss on telegram depending on how big the vid is

https://t.me/redicetv/10777

>> No.16149730

>>16149714
How are your picrels always so based? You're the least schizo namefag I've seen.



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16149508 No.16149508 [Reply] [Original]

What does this mean?

Human and chimp have more:
-cytosine (C)
-guanine (G), but this is less noticeable than C

than insects/spiders

However these arthropods have more thymine (T) and adenine (A) than humans or monkeys do

All DNA is made from these 4 letters
The numbers you see on a chart are percentages

Everything added together makes a 100.

>> No.16149510

chimp and human have large difference because chimp is missing lots of is genes while human has more of it

mantis and opilion are complete but their entire DNA is smaller than human or chimp anyway

its rare for animal to have a larger genome than human

but all trees have lot more genes than humans
same is also true for mushroom, just not animals



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16149500 No.16149500 [Reply] [Original]

Another beautiful day without using sin, cos or tan.

3 replies omitted. Click Reply to view.
>> No.16149534

>>16149500
;_;

>> No.16149608

>>16149500
>beautiful day
>not using sin cos tan

Don’t you hecking fucking schmucking love trigonometry anon?

>> No.16149636

Based non-sinner

>> No.16149637

Another OP, another fag, another comment.

>> No.16149739

>>16149500
I'm proud of you, Anon. It's never easy to be a recovering mathfag.
1+n day at a time is the way to go.



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16149457 No.16149457 [Reply] [Original]

Is there any scientific evidence the holocaust actually happened?

5 replies omitted. Click Reply to view.
>> No.16149565
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16149565

>>16149536
one of them
22.5M $ for her book of fake bs fairytales

in total? who knows
but share your estimates
you sure are very knowlegable

>> No.16149688

>>16149457
Yes, overwhelmingly, and easily googled. Holocaust denial is either wilful ignorance or deliberate refusal to accept the overwhelming scientific and academic consensus, i.e. a conspiracy theory. There is no good faith holocaust denial.

>> No.16149691

>>16149491
>>16149565
There are also people who claim to have been present at 9/11 in order to milk sympathy. There are people who claim to have been in wars when they weren't (happens often enough that we have a word for it: "stolen valour"). This is to be expected for any large historical event.

>> No.16149828

>>16149457
i thought the emptied the budget for holocaust denial in favor of more pressing shit like anti-science, culture war and anti-west stuff. i guess it's back on the menu now with reactivated palli/isreal distraction.

>> No.16149875

>>16149536
of course concentration camps existed, witnesses and victims of that dont need to lie about it.

But was anyone gassed? no, are there eyewitnesses of Jews getting gassed no. Even if it did happen it would be stupid to say there are eyewitnesses because they would all have been gassed.

>>16149558
>obtained under torture
they tortured out a confession about a concentration camp that doesn't exist. Also they didn't just torture them, they threatened their families.



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16149442 No.16149442 [Reply] [Original]

>if you put your hand into a jellybean jar and pulled out one jelly bean, what are the chances it will be red?
>It's 50/50, either it's red or it's not

What is the best argument against this?

>> No.16149444

0% the jar is shaped like a jellybean but it contains only snakes

>> No.16149479

Red is a social construct.

>> No.16149522

Considering we have no other information on the distribution of jellybeans in the jar, it's a decent prior



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16149425 No.16149425 [Reply] [Original]

Where does the information found in things like DNA and RNA come from? How can it possibly come from any natural process?

18 replies omitted. Click Reply to view.
>> No.16149909

>>16149758
That's like saying you can't have a country on a map, because a country is a piece of land that won't fit the paper.

>> No.16149915

No one mentioned proteins? That's some pretty complex biology the way protiens encode and decode DNA. Perhaps the information in DNA comes from a molecular sense of self preservation.

>> No.16149917

>>16149888
You sayin' Mother Earth 's been impregnated or sumthing? Damn bruh but now we have this additional problem you see how these early multiplyers were not competin' and evolvin' just yet but instead were travelin' all over while stayin' in these ancient forms but once embedded in a planet suddenly start competin' and evolvin' you know what I'm sayin'?

>> No.16149927

>>16149909
>garble garble
It's like sayin' that maps are not the territory but both do exist in the same reality and yet maps are different substances than the territory because the thought of a hamburger is not edible or nourishing for your body even though such a thought can simulate all the sensory experiences of eating a real hamburger.

>> No.16149938

>>16149927
you can tweak that info and make an order from a company that assembles the bacteria DNA and ships it to your door. you send information, literal information, over the fucking internet, and they assemble that information and ship it to you
https://youtu.be/F0_q-fD_lyU?t=1511
you can do it yourself, at home.
I'm amazed at your willingness to deny reality so your bullshit ideas still make sense. how the fuck can you be so dissonant? doesn't it mentally hurt? don't you feel like an absolute buffoon you flat-earther dimwit?