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/sci/ Science & Math

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Most viewed threads in this category

31 more posts in this thread. [Missing image file: mataa.png]
Why are germans so intelligent and hard working? Is it genetics? What's the deal? Germany is one of the most well-living country in the world despite the wars.
3 more posts in this thread. [Missing image file: 1352324324324.png]
How do you ask someone to be your lab partner?
12 more posts in this thread. [Missing image file: drug-tolerance.jpg]
this post is going to seem vague because i am just not that smart question: when you take drugs, your body slowly builds a tolerance up to the drugs and they slowly stop working right? or what exactly happens? for example when you take illicit drugs you never reach the same high you had before or the first time so does this mean that over time the body naturally returns to an equilibrium no matter what foreign drugs are introduced into the body? another example would be SSRI's and how they change your rewards passageway or ADHD medications that stimulate you but sooner or later the effects are not noticeable if the dosage does not constantly increase, is that correct? sorry for my ignorance pic could be related idk seemed interesting when i googled drug tolerance
6 more posts in this thread. [Missing image file: Untitled.png]
Couldn't suicide be a successful evolutionary strategy if the outcome betters the individual genes to have a broader reach? If the organism has an unconscious function to add up his or her gene's chances and extent of propagation then I don't see why this behavior couldn't exist as a strategy in all of us. Discuss.
7 more posts in this thread. [Missing image file: 3495vuw.jpg]
Chemists. I was trying to figure out a way to purify alcohol too 100% Of course, Not everytihng is 100% but, I want high purity. No denature reagents. But I do want it drinkable. Is this a good hypothesis? 1) Distill 40% into distillation column to it's 95% azeotrope. 2) Calcuim chloride as the drying reagent as it easily absorbs water and is non-toxic 3) Vacuum filltration Any ideas or help? Would a descant work? Pic unrelated
27 more posts in this thread. [Missing image file: 1357363822167.jpg]
Fucking 3301 shit is back, as of yesterday. Outguess of image had book codes and a riddle to find the book, solution was link to an iso on dropbox, iso was bootable custom linux distro that printed primes and a twitter account and also includes a song and some random data files. All sigs validate with the old key. Wat do? IRC: http://webchat.freenode.net/?channels=#33012013 Outguess: http://pastebin.com/KGfE6DVt Dropbox: https://www.dropbox.com/s/r7sgeb5dtmzj14s/3301 CicadaOS: http://www.youtube.com/watch?v=GGMrmsWxQ5E Twitter: https://twitter.com/1231507051321 Wiki: http://uncovering-cicada.wikia.com/wiki/Status
2 more posts in this thread. [Missing image file: wolframalpha.jpg]
Hey Guys/Gals, have you ever used this application or website called Wolfram Alpha? I bought it for my android and it's also for iOS. $4.00 you can't beat it. it figures out like erry single math prob. Best app purchase ever! good for me since i suck at algebra xD Ain't nobody got time foe dat!!11!11!1!
32 more posts in this thread. [Missing image file: eucalyptus-mannifera.text.jpg]
Botanists and plant biologists of /sci/, how would one go about discretely killing a large number of gum and eucalyptus trees on a property? I need to know how because it's not entirely legal apparently. The previous local government put a protection order on them when they were going through a big green/climate change bad phase. Now I can't build a smaller house on the property for my grandfather that I've been planning for years. TL;DR: Government screwed me over, how to kill trees? Oh, and I've checked and double-checked to make sure that none of the trees are inhabited by animals, or contain old bird nests. Just for the ethics of this.
44 more posts in this thread. [Missing image file: berserk-28364.jpg]
Does anyone here get as depressed as I do when I think about a future in stem? I love science, but everyone knows that no matter how brilliant you are there's nothing you'll ever accomplish or do that can't easily be filled by someone else. At times I honestly feel I could contribute more to society doing something related to art or storytelling, at least that way I would have the potential to create something truly unique and captivating. Pic related, it's the best damn piece of storytelling known to man
5 more posts in this thread. [Missing image file: harrp.jpg]
Can someone explain in simple terms how HAARP works and how it can be used to control the weather? I don't understand how firing radio waves into the sky can give you control over hurricanes and shit.

Since /sci/ is a shithole

14 more posts in this thread. [Missing image file: 1332270900524.jpg]
and we haven't had this stupid ass debate in awhile: What is the best calculus book ever?
36 more posts in this thread. [Missing image file: anonymous.jpg]
If every post on 4chan had an image of the posters face, how would this influence communication?

help : multiple variable equation solving

9 more posts in this thread. [Missing image file: Sans titre.png]
Hello /sci, I need your help on something. I'm trying to use wolframalpha to solve a 6 variable equation. It doenst seem to work. Does anyone know a good site to do this on ? Thank you so much ! PS : Here it is 1797*a+899*b+2696*g=0 ; 1797*b+899*a+2696*g=3 ; 1652*b+826*c+583*f=-3 ; 1652*c+826*b+583*f=147580 ; 1652*d+826*b-583*f=147580 ; 1652*c+826*d-583*f=295163 PS2 : Me and my friend are working on the displacement field of a beam.
12 more posts in this thread. [Missing image file: dfw.gif]
if prime numbers can be easily guessed with stuff like the ulam spiral, why do people still think RSA is secure?
199 more posts in this thread. [Missing image file: 13746242.jpg]
Have you ever had to study anything so obvious that you could have easily figured out by your own in a matter of minutes or seconds? I have three: Bolzano's theorem. Rolle's theorem. Mean value theorem. I am baffled at how stunningly easy these theorems are and yet Bolzano and Rolle immediately get their names stamped in History for it. Not that they weren't great in mathematics but still... Anyone ever felt similar?
28 more posts in this thread. [Missing image file: Chinese room experiment.jpg]
I've been thinking about the Chinese Room experiment for a while, and there is something that sprung to mind, it's probably wrong, but I wanted to know what /sci/ thinks. Atoms and molecules act in the same way as the man inside the room does, they receive stimuli, and due to the laws of physics, an effect occurs. We are conscious beings, but our building blocks are not, meaning that the man inside the room might not be "conscious", but enough of them compounded with each other could produce something that is. Does this make any sense?
8 more posts in this thread. [Missing image file: light-virus-1.jpg]
Is anybody else fascinated by microbiology? I've always had an interest in virology and I'm seriously considering a major in microbiology.
18 more posts in this thread. [Missing image file: Real_master_roshi.jpg]
Science of Dragonball How the Kaio Ken works The energy is drawn from the Dan Tian (energy field in the lower body, Chinese: ??), and sent out to the chest, back, head and four limbs. The Ki travels underneath the skin and causes the muscles to bulge and the flesh to become thick around the bones. As the Ki reaches the surface of the body in this dimension it manifests as heat, wind, and electricity. When Goku employs the Kaio Ken he opens up all the cells in his body and taps into their energy on a molecular and sub-molecular level. Goku’s cells, molecules, atoms, neutrons, quarks and all other sub atomic particles are opened up and tapped into for a very short amount of time.

Application to Mars

93 more posts in this thread. [Missing image file: 1355538923220.jpg]
http://mars-one.com/en/faq-en/21-faq-selection/251-do-i-qualify-to-apply They have announced they will start taking applications for people to go to Mars. >first launch 2022 >land on mars 2032 >No return planned >resupply every two years. so /sci/ who do you think the first 40 candidates would be? anyone planning on applying?

Time dilation

1 more posts in this thread. [Missing image file: image.jpg]
What are your veiws on time dialation?






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