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/sci/ Science & Math

Threads added between 2013/10/30 and 2013/11/06

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Most viewed threads in this category

12 more posts in this thread. [Missing image file: image.jpg]
www.stanfordbinet.net Is that a reliable IQ test? I'm a little skeptical of my results. pic related
60 more posts in this thread. [Missing image file: 1383514558343.jpg]
Why are the smartest people (very high IQ) usually apathetic and/or depressed? Is there a negative correlation between high IQ and happiness?
29 more posts in this thread. [Missing image file: DouglasAdams.jpg]
Suppose that 21 girls and 21 boys enter a mathematics competition. Furthermore, suppose that each entrant solves at most six questions, and for every boy-girl pair, there is at least one question that they both solved. Show that there is a question that was solved by at least three girls and at least three boys. Any hints? >pic unrelated
20 more posts in this thread. [Missing image file: 536924_694287023925645_1129266636_n.jpg]
does /sci/?
1 more posts in this thread. [Missing image file: science_of_impact_c.gif]
>CME detected at: > first c2: 2013/10/31 00:00:05.590 23506466.fts > last c2: 2013/11/06 00:24:06.204 23507230.fts > first c3: 2013/10/31 07:18:05.393 33376603.fts > last c3: 2013/11/06 00:06:05.417 33377258.fts >http://www.sidc.oma.be/cactus/out/latestCMEs.html

Putnam Problem of the Day

11 more posts in this thread. [Missing image file: file.png]
A plane convex quadrilateral has area 32, and the sum of two opposite sides and a diagonal is 16. Determine all possible lengths for the other diagonal.
4 more posts in this thread. [Missing image file: 4YL4n.gif]
Can somebody please explain that fucking e number to me. I understand how you can get it, but I'm trying to intuitionally imagine what it has to do with the derivatives of exponential functions, and I am completely lost. Why is f'(x) for f(x) = e^x equal to e^x? That makes no sense to me. This isn't true for any other exponential function. What makes e so special?
18 more posts in this thread. [Missing image file: Solution_to_all_world_problems_gg.jpg]
Hey /sci/, so after years of hard work and studying i finally figured it out. The solution to all world energy problems. See you at the nobel prize ceremony. Double prize for me this year, peace and physics.
60 more posts in this thread. [Missing image file: lionsvsmarinesultimate.png]
1,408,137,984,000,000 African Lions vs. 10,000 Navy Seals. Who wins?
0 more posts in this thread. [Missing image file: Chrysanthemum.jpg]
Help sci Why does e- + muon neutrino -> e- + muon neutrino suggest the existence of neutral current but e- + electron neutrino -> e- + electron neutrino doesn't I've been searching but couldn't find any reason why a photon couldn't mediate the first interaction? Can a photon not couple with different generation fermions? Or is it just to do with the extra mass of the Z boson? Or am I just totally wrong here!? Thanks for the help!
8 more posts in this thread. [Missing image file: Frollo.gif]
Lets have a discussion /sci/. Should Bio-engineers cross the genetic boundary of crossing and even creating different species? >Use the Socratic method

I have a theory - a theory of everything

6 more posts in this thread. [Missing image file: 1330342394416.jpg]
Are you ready for the paradigm shift, /sci/? Or are you still caught in the Einsteinian dogma of pseudo-Riemannian manifolds? Today I noticed how the idea of metric tensors is fundamentally flawed and has no physical reality. It produces the illusory dichotomy of space vs time, a duality which needs to be overcome if we ever want to progress in physics. I hereby present my theory, unifying string theory with friction, thus explaining and combining all fundamental forces. I do so by introducing a third category encompassing an infinity of dimensions - namely those which are neither space nor time. These dimensions do never directly affect measurement and are therefore physically undetectable. They do however exist, and small-scaled objects in space-time dimensions (smaller than Planck length) can transcend between dimensions. This explains the energy loss in friction, the violation of energy conservation in the big bang, dark energy and phenomenal conscious experience. The latter resides mainly in non-spacetime dimensions, which is the reason why it is yet not detectable by traditional methods of physical science. As my theory is revolutionary and groundbreaking, it is not yet supported by any peer reviewed evidence or citations. I can assure you nevertheless that the mathematics of my theory works out consistently, though it forced me to leave the realm of real numbers by inventing a new method of division by zero. Please understand that I will not publish my full theory, for I do not want it to be stolen.
46 more posts in this thread. [Missing image file: biot234photof.jpg]
Here is some top lel: The Goiânia accident= https://en.wikipedia.org/wiki/Goi%C3%A2nia_accident Story = Some metal scrappers stole a radioactive teletherapy unit... and hilarity ensued. >Theft of the source >On September 13, 1987, the guard in charge of daytime security, Voudireinão da Silva, did not show up to work, using a sick day to attend a cinema screening of Herbie Goes Bananas with his family.[7] That same day, "scavengers" Roberto dos Santos Alves and Wagner Mota Pereira illegally entered the partially demolished facility, found the teletherapy unit – which they thought might have some scrap value – and placed it in a wheelbarrow, taking it to Alves's home,[8] about 0.6 kilometres (0.4 mi) north of the clinic. There, they began dismantling the equipment. That same evening, they both began to vomit. Nevertheless, they continued in their efforts. The following day, Pereira began to experience diarrhea and dizziness and his left hand began to swell. He soon developed a burn on this hand in the same size and shape as the aperture - he eventually had partial amputation of several fingers.[9] On September 15, Pereira visited a local clinic where his symptoms were diagnosed as the result of something he had eaten, and he was told to return home and rest.[1] Alves, however, continued with his efforts to dismantle the equipment, which was now sitting under a mango tree in his back yard. In the course of this effort, he eventually freed the caesium capsule from its protective rotating head. However, his prolonged exposure to the radioactive material led to his right forearm becoming ulcerated, requiring amputation. [10] continued...

neurophilosophy

2 more posts in this thread. [Missing image file: 1374511711928.jpg]
Can we have a serious discussion about the hard problem of consciousness / the explanatory gap? If you're not familiar with the problem, you can read about it here: http://en.wikipedia.org/wiki/Hard_problem_of_consciousness http://en.wikipedia.org/wiki/Explanatory_gap http://plato.stanford.edu/entries/consciousness/ For me the question is very intriguing and I cannot imagine how something as intangible and seemingly immaterial as subjective phenomenal experience can ever be put on an objective basis. On the other hand I firmly believe in science and therefore refuse to accept the problem as a limitation to the scientific method. What is /sci/'s opinion? inb4 trolls denying the problem or spewing empty buzzwords like "emergent"

French chemistry

0 more posts in this thread. [Missing image file: fuckinggame.jpg]
Hey , I need some help to resolve those problems(which are in french) about thermodynamics (Viriel especially) Thanks bro :) ! The problems which I need help are the 7-8-9-10-11 here there are : http://www.noelshack.com/2013-44-1383432554-cci02112013.jpg http://www.noelshack.com/2013-44-1383432554-cci02112013-0001.jpg
11 more posts in this thread. [Missing image file: Koala.jpg]
Question, /sci/ .. All diseases are triggered by microbial action?
4 more posts in this thread. [Missing image file: Microscope.png]
Hello everyone. I am a bit curious. I want to buy my first microscope. I am not sure where to start. I do not want to spend a lot of money, but, I would like a decent scope for, let's say, under $300US. Target price is $150. All replies welcome.
2 more posts in this thread. [Missing image file: Los-Angeles-skyline-at-sunset.jpg]
What would happen if a tiny change in some elemental force in the universe were to occur, would the whole universe change radically? Is this the best universe possible, as in any change would send it crashing down?
16 more posts in this thread. [Missing image file: 1312259821889.jpg]
We all know that infinity is the largest number but what is the smallest number?

There we go

24 more posts in this thread. [Missing image file: spectrum.png]
Why weed makes you more creative? You got 5 minutes to answer this.






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