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/sci/ Science & Math

Threads added between 2012/12/26 and 2013/01/02

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Most viewed threads in this category

11 more posts in this thread. [Missing image file: 1356083181083.jpg]
Hey /sci/, do any of you know where I can find the"MYRIAD Mathematical Library". It's a torrent with about 1500 math textbooks. Been looking everywhere for it, haven't found a good one.
25 more posts in this thread. [Missing image file: lederp.png]
Matrix notation. Which one is correct? My math prof at uni uses left, but I have seen right used often.

Rubbish Disposal

38 more posts in this thread. [Missing image file: sun.jpg]
Is it possible or logical to fit some of the man made rubbish on Earth and send it to the sun via rocket or anything like that. Doesn't have to hit the sun, just get close enough to incinerate regardless.

Fusion

11 more posts in this thread. [Missing image file: Screen Shot 2013-01-01 at 16.49.11.png]
Many will yawn at this, however - the joy of science for sciences sake is the remit of this board. Fusion bitchez. LIVERMORE, CA. - Fifteen years of work by the Lawrence Livermore National Laboratory's National Ignition Facility (NIF) team paid off on July 5 with a historic record-breaking laser shot. The NIF laser system of 192 beams delivered more than 500 trillion watts (terawatts or TW) of peak power and 1.85 megajoules (MJ) of ultraviolet laser light to its target. Five hundred terawatts is 1,000 times more power than the United States uses at any instant in time, and 1.85 megajoules of energy is about 100 times what any other laser regularly produces today.
2 more posts in this thread. [Missing image file: comic2-1387.png]
Is anyone here familiar with game theory at all? I was wondering if anyone could recommend some reading on the subject.
4 more posts in this thread. [Missing image file: 65172_330109633769273_1032203651_n.jpg]
My friends and I were watching Ghostbusters and we could not figure out who this guy was. Being as they were nerds, we thought it was likely he was a scientist. We wiki'ed and googled a crap ton of scientists in the 16th and 17th century, but we cannot seem to match this face with a name.
17 more posts in this thread. [Missing image file: 20130101_202529.jpg]
This is a picture taken of blood viewed under a microscope. What magnification would you say this is?
17 more posts in this thread. [Missing image file: oyj5obfw5nrjiqhtylp9.jpg]
>http://www.openculture.com/2012/08/michio_kaku_on_the_physics_behind_absolutely_everything.html just the best scientist in the world telling it like it is
32 more posts in this thread. [Missing image file: Batman cutting his pubes with a machete.jpg]
Well /sci/?
19 more posts in this thread. [Missing image file: 1315421713957.png]
Question: is diet and exercise have a relationship to book smarts?
11 more posts in this thread. [Missing image file: stars_1230_600x450.jpg]
What are the possible explanations for a flashing dot in the sky?
2 more posts in this thread. [Missing image file: images.jpg]
could yet unsolved/irresolvable problems, cancer/aids/string theory, be crowd sourced to the population to solve? as counter intuitive it may be, especially at such a high level of problem solving, there is a possibility a person could hold the answer without actually knowing how or why it is .
19 more posts in this thread. [Missing image file: 1342016229693.jpg]
Ok /sci/ heres one cool problem... You have a 100 prisoners and they are told that they'll have a chance of geting their ass free if they solve the following problem. They are standing in a row and the 1st can the the rest (99) the 2nd can see every one exept the 1st and so on....the 100th cant see ant one. They are goint to get a hat....every each one of them and the hat can be blue or white...they must say which color is the hat on their head in order to get their asses free. The whole group can make only one mistake. If they make two mistakes or more they all get killed. Ofc they can make a deal before the start. How will they solve this??? ;)
3 more posts in this thread. [Missing image file: 1349887957163.jpg]
Where do you see humanity thousands of years from now? Millions of years from now? What will we be doing? What is the limit of our potential? >inb4 hurrr durrr we'd kill ourselves by then
1 more posts in this thread. [Missing image file: Penguins.jpg]
Could someone help me out with a bit of algebra? i'm trying to show E^2 = (mc^2)^2+(cp)^2 from E = \gamma mc^2 p = \gamma mv \gamma = (1-(\frac{v}{c})^2)^-.5 My book has E^2-(cp)^2 = (\gamma mc^2)^2-c^2(\gamma mv)^2 E^2-(cp)^2 = \frac{m^2c^4-m^2v^2c^2}{1-\frac{v^2}{c^2}} E^2-(cp)^2 = (mc^2)^2 I can't see how they got from the second to last line to the last one.
7 more posts in this thread. [Missing image file: ouya.png]
11 more posts in this thread. [Missing image file: brain_and_tv.jpg]
How come math and science doesn't interest most people? What's it like for people who actually enjoy dumping hours of their free time into this and make it their hobbies, career, and life? I don't mean this sarcastically either, I'm genuinely curious what an academically driven mind looks like.
4 more posts in this thread. [Missing image file: indian_carpet.jpg]
Can someone give me some good books on metamathematics? Someone posted a couple in a reply yesterday but I didn't write them down.

...999.0 = -1

4 more posts in this thread. [Missing image file: Ramanujan.jpg]
We had another tedious 0.999... thread, but what about the reverse -- ...999.0? The series is divergent, but IMHO, equating the notion of "limit of partial sums" with "infinite sum" is a simplistic and arbitrary imposition of "order" that stifles mathematical creativity. ...999.0 = -1. Try some arithmetic with it -- add 1 to it, say, and you'll get 0. Multiply it by itself and you'll get 1, and so on. You won't find any contradictions.
59 more posts in this thread. [Missing image file: weezo.png]
Everybody watch and laugh as /g/ tries to do math






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