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/sci/ Science & Math

Threads added between 2014/10/29 and 2014/11/05

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Most viewed threads in this category

28 more posts in this thread. [Missing image file: ]
If Dinosaurs DID exist, how in the hell did they mate? Are you trying to tell me that a Brachiosaurus can support another 50 ton Brachiosaurus? Or a triceratops mating another one with all that plating and spikes? Bullshit. Any professionals care to explain this? The mating process seems so inconceivable and inefficient.
21 more posts in this thread. [Missing image file: ]
>learning algebra >decide "No, I don't want to do it this way." >just fucking invent calculus Why was Newton so based?
12 more posts in this thread. [Missing image file: ]
One of my professors supports Anita Sarkesian and the rest of that group, going so far as to talk about it in class. Should I tell the Dean?
8 more posts in this thread. [Missing image file: ]
Have we cured small penis syndrome yet?
36 more posts in this thread. [Missing image file: ]
So many here think they are genius level. Some are grasping for knowledge they will not understand just now. Anyone who has a grasp of the magnitude of the undertaking of mathematics and physics will appreciate how little they know. Before this is disregarded, I am a physics student and I want rigorous mathematical and physical viewpoints. Discuss.
1 more posts in this thread. [Missing image file: ]
Does this look right to you guys? or did I do it wrong?
4 more posts in this thread. [Missing image file: ]
God is a delusion, a false hope, a crutch. There is evidence that shows the human mind wants to instinctively believe in a divine/higher power. However scientifically, there is not a reasonable amount of evidence to show God exists. God cannot be proven to exist, therefore, we should not believe in God. People may want some God to exist, but when we learn about the world and think logically, we discover it is an irrational/unscientific thing to believe in God. -------------------------------------------------- Furthermore, any value placed on life is a delusion, a false hope, a crutch. There is evidence that shows the human mind wants to instinctively survive and continue living and breeding, but scientifically, there is not reasonable amount of evidence to show that the constant pursuit of self continuation and replication is something that should be done. Why continue surviving? Being alive, you feel chemical reactions in our brain cause us joys and pains. But being dead you would have no desire for any pleasure no the desire to eliminate any pain. Why continue breeding? People do not need to exist. The human race does not need to be continued. We are biologically/genetically/chemically programmed/conditioned to want to do these things, but that doesn't mean we should.
74 more posts in this thread. [Missing image file: ]
ITT we talk about the exams we did horrible on. Give name of course, grade on exam, final grade in class. What went wrong?

Help

3 more posts in this thread. [Missing image file: ]
Alright /sci/, here's the deal: I need an article/report/whatever on a recent scientific breakthrough/discovery. I need it to be simple, I need it to be easy to write a quick page summary on. Thanks guys. pic unrelated
10 more posts in this thread. [Missing image file: ]
How would you isolate the calcium in an antacid tablet?

Compact Fusion

32 more posts in this thread. [Missing image file: ]
So, is this a real thing, or is it just bullshit? http://www.lockheedmartin.com/us/products/compact-fusion.html "Building on more than 60 years of fusion research, the Lockheed Martin Skunk Works approach to compact fusion is a high beta concept."
5 more posts in this thread. [Missing image file: ]
why isnt the sqare root of 6 2.44948974278 and not just 2?
16 more posts in this thread. [Missing image file: ]
Efficient wireless electrical power system with global reach. No more wires or batteries for electrical devices. More efficient than current grid system. What do you think /sci/ ? There is no free energy involved here, just simple natural laws of physics which most will understand. >inb4 common objections the most relevant objection is that most people think that energy always attenuates exponentially... with the square of the distance... with the cube of the distance etc. There are circumstances of propagation that allow for attenuation in direct linear relation with distance! The most common use of these circumstances are called transmission lines or waveguides. EM energy moving in a transmission line or waveguide falls under a special case (see Oliver Heaviside's work to learn more) and the energy attenuates in direct relation to distance traveled. EM waves traveling in a waveguide have some other interesting properties while bounded by the waveguide. Under some circumstances an EM wave will travel as an electric field wave with no magnetic component (TM mode) or the wave can travel as a magnetic field with no electric field component (TE mode). The last piece of the puzzle is that all us anons live in a waveguide. A concentric spherical waveguide with the surface of the earth as the lower bound and the ionosphere as the upper. This waveguide is resonant and standing waves have been detected in it.
19 more posts in this thread. [Missing image file: ]
How the hell does magnets work? Seriously. How can their power be infinite? Why aren't there "magnet-based" generators?
29 more posts in this thread. [Missing image file: ]
Is post-scarcity attainable within our lifetimes?

Math Learning

21 more posts in this thread. [Missing image file: ]
Hi /sci/, Is it normal that one has to do a ton of exercises to learn the material in math courses? I find that I cannot just read a chapter and absorb the information that way; I gradually learn from doing exercises. Is this normal, or am I just really slow?
1 more posts in this thread. [Missing image file: ]
So I haven't worked very hard this term so far. I kind of have to catch up with work (the assignments we're given aren't marked, apart from a few). Also I've lost confidence in my IQ despite previously getting good grades. What should I do? Work from 9 - 6, monday to friday, plus some hours on the weekend? Or work for longer than that, and sacrifice my free time, which would be spent on reading novels / browsing 4chan (I won't sacrifice my gym time because I'll get weaker). I have zero interest in my subject and even working 9 to 5 monday to friday would be a huge increase in terms of my effort. What would you recommend? Is doing more work in less time a myth, or is it true?
14 more posts in this thread. [Missing image file: ]
checkmate homophobes. I FUCKING LOVE SCIENCE!

Science webm/gif thread

2 more posts in this thread. [Missing image file: ]
Made my first webm. Title tells you what it is... it's the new imaging technique by the guy who won the Nobel prize just a few weeks ago. Video is fucking amazing if you ask me! Anyway, post some science vids/gifs! ps: webm is a pretty shitty format btw, mp4 is a lot more efficient.

linear algebra general

13 more posts in this thread. [Missing image file: ]
Any recommendations for linear algebra texts? I'm taking a power series and linear algebra combined class called "Matrix and Power Series Methods." The book is terrible and written by some jackoff professor at my uni. pls halp. also general linear algebra discussion






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