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/sci/ Science & Math

Threads added between 2012/12/19 and 2012/12/26

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Most viewed threads in this category

17 more posts in this thread. [Missing image file: 1356466382574.gif]
I've always heard that this scene in terminator 2 was a realistic depiction of the effects of a nuclear explosion. Can anyone confirm this?
39 more posts in this thread. [Missing image file: blood_donation.gif]
Are there any reasons why a person shouldn't donate blood? Do you donate your blood?
13 more posts in this thread. [Missing image file: 1333502756083.gif]
Chemical Engineering vs Geology Which is better for getting into the Oil / Energy Industry? Which is higher Tiered and more fun?

fgts

0 more posts in this thread. [Missing image file: some_other_matrix_by_sadania-d56xknt.jpg]
happy jew essenes nailed to cross while drinking blood from for salvation of sin in pagan blood ritual sacrifice dignified only by 1800 years of religious dogma unjustified fear of nature through lack of technological manipulation by brainwashing less educated intellectually supressed human birfday
21 more posts in this thread. [Missing image file: My score.png]
http://arithmetic.zetamac.com What's your score on the arithmetic game /sci/? 21 here. Also for those of you who have a bit of patience, please post scores of http://www.iqout.com/start.php as I want to compare arithmetic scores against pattern recognition and this is the smartest board around.
24 more posts in this thread. [Missing image file: qwerty_wtf.jpg]
What's the rationale in banning qwerty in ap/sat, but still allowing far more capable modern calculators (with ridiculous abc-keypads)? That just seems extremely arbitrary, even when compared to the other rules. Do you think the policies are going to change any time soon? Or are they just going directly to computerized tests with built in calculators or something?
71 more posts in this thread. [Missing image file: anon.jpg]
The Lumosity BPT is capable of assigning you a "brain type" and is fairly accurate at calculating your IQ. I'm aware that /sci/ despises IQ tests, but this one seems fairly accurate, especially considering it tests for intellectual ability in several unique areas. Try it out and post your scores! www.bpt.lumosity.com Note: If you already possess a Lumosity account, you can take the BPT by logging out and clearing cookies.
11 more posts in this thread. [Missing image file: 1352520133816.jpg]
What would the Lewis structure of the compound SbCl6 1- look like, /sci/? Picture unrelated.
14 more posts in this thread. [Missing image file: 1349532408735.png]
Bit random I guess, but lately I've been wondering if it's possible to go to space with a railgun. Just to shoot cargo and building materials into space. Wouldn't this be way more efficient than we do it now? Or am I just being a moron? I don't know much about physics so I though I might ask your opinion about this. Picture maybe related.
3 more posts in this thread. [Missing image file: Power.png]
So I'm going to build a wood powered steam driven pair of Tesla turbines attached to a generator and heat exchanger to power and heat my home for basically free, seeing as I'm located with 20 acres of woods nearby. My goal here is to simply replace the electric heaters in my current central heating system with old car radiators, meaning I still have vents in all rooms. For the electricity side of it, I'll only need to generate 5-15kw to power everything I could possibly want to in my home, and if I find that impractical I could generate .5-1kw and use a large battery storage system or even better large compressed air tanks attached to air driven rotary generators to store large amounts of power. You may ask why I'm doing this. Mainly because I like hands on building, and also I would basically never have to pay an electric bill again, with greatly reduced gas bills. I'm looking for input from anybody that has done this before, as I know similar projects exist. I'd love for any of you physics majors to give me some details on how large of a boiler I would need with what kind of airflow, and what how big of tesla turbines I would need for this and what kind of gear reductions for the generators. I know that a cord of wood contains about the same amount of energy as 100-300 gallons of LPG depending on the type of tree, so this seems to be a very viable setup to me. All input welcome
49 more posts in this thread. [Missing image file: 1356056616914.jpg]
Homosexual behavior is normal, homosexuality is a mental illness. Yay or nay? And no, I'm not fucking off to /pol/, I want the opinions of /sci/.
18 more posts in this thread. [Missing image file: determination cat.jpg]
What are some good sci fi movies involving space travel? I've exhausted my current supply.
2 more posts in this thread. [Missing image file: AGROS19705.jpg]
Why Sodium Amide give elimination reaction with 1,2 di chloro ethane while it can substitution. I mean why NH2- attacks to hydrogens in 1,2 di chloro ethane while it can attack to carbons. Doesnt have carbons bigger partial positive charge from hydrogens ?
7 more posts in this thread. [Missing image file: 1355421716059.jpg]
If humans will eventually become partly computer-beings, such as cyborgs or whatever, and computers are now becoming quantum computers, does this not mean that humans will eventually become quantum beings? Or to extrapolate, will this mean our consciousness will become a quantum machine, capable of influencing matter in the universe at a multi-dimensional level? Discuss.

actuarial study manuals

0 more posts in this thread. [Missing image file: 220px-Table_grapes_on_white.jpg]
I'm working on the preliminary test for ASA, does anyone happen to have a pdf of the ASM study manual for test MFE? Derivatives Markets isn't very good and doesn't have problem solutions in it

You should be able to solve this

5 more posts in this thread. [Missing image file: geometryagain.png]
So you think your good at Maths. Then solve this?
4 more posts in this thread. [Missing image file: High-Definition-Photo-of-Gramma-dejongi.jpg]
How much farther could photographs possibly advance? Textural photography?
13 more posts in this thread. [Missing image file: 128217162052.png]
Will science ever find a cure for loneliness?

Centenarians

11 more posts in this thread. [Missing image file: centenarians.jpg]
Science, what are you doing!? You know that longevity is highly dependent on the right genes. And you know that most centenarians have few or no children. That means we are losing the genes we need for long life! Get those old guy's sperm and put them into women for God's sake.
10 more posts in this thread. [Missing image file: 1356445672623.jpg]
/sci/ what are your tips on succeeding in math at uni? I've been good at the math I've done before this but it just hit me this is really tough stuff, and it's very important that I succeed. I'm putting in so much work on going over the material and solving homework questions, and later on I'm going to do past papers. Anything I'm missing? Any tips on really getting the best out of yourself?






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