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/sci/ Science & Math

Threads added between 2016/07/20 and 2016/07/27

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Most viewed threads in this category

37 more posts in this thread. [Missing image file: ]
Here's thunderf00t's video proving the Hyperloop will kill you. Is this a valid experiment that concludes the Hyperloop will be a failure or is it clickbait trash? He has a PhD in chemistry if that changes anything

THC Brethalyzer

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Alright /sci/ is it possible to create a THC breathalyzer? If so, how? >inb4 DUDE WEED
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I am going through Lang's Basic Mathematics. Reading from cover to cover, while he first part seems easy enough, the exercises are a bit difficult. I shall explain, I know for a fact the rules by heart. So I have no problems performing the exercises that involve numbers. When it comes to "proving", I am quite stunned. Even though I "know" the rules, writing proof of it is another art (or so it seems). I was never taught this at school, are there any recommendations on how to start proving things? I realize this must be a stupid question, the book itself is by far the best mathematics book I have read. I just want to get into true mathematics more. I apologize if this was a noob question. Thank you in advance.
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Do atoms behave in a predictable manner? I.e. Is it possible to track an electrons movement?
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> Saturn > has 6 letters > 6th planet from the sun > Has a strange 6 sided magnetic cloud formation on its axis > 60,000 radius > Only planet in the solar system with rings What the fuck is going on with Saturn ?

CT Scan Cancer Risk?

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Yesterday, I went to get a head CT scan. This is the only CT scan I've ever gotten. Should I worry about dying of a brain tumor later in life?
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Why am I me? Why was I not born a Pterodactyl in the Jurassic Period 200 million years ago? Why was I not born as a termite in the 15th century in Western Europe? Why was I not born in another galaxy far away, on another planet capable of supporting conscious life? Why am I not a jellyfish, RIGHT NOW, in the ocean? Why am I alive right now? Shouldn't I-statistically speaking-be dead right now? How many lives have come before me? Trillions upon trillions upon trillions (if you take into account all life in the universe). So why right now? I should be long, long, long dead by now. Why am I a male human being in the United States on Earth in what we call 2016? When I die will this random dream finally be over so I can rest like the trillions of insects that have come before me (and the millions that have died by the time you're done reading this post)?

Evaluate the definite integral.

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What would aliens gain by visiting earth?

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In order for aliens to visit, they would have to perfect faster than light travel, or wormhole travel. When they arrived, they would find a laughably primitive human race in comparison to them. They would watch us the way we watch a chimpanzee use a stick to get termites from a mound. We have absolutely nothing to offer them, nothing we can teach them. Why would they bother?
2 more posts in this thread. [Missing image file: ]
If the brain isn't a computer why can we take a video camera's v-out, hook it to some electrodes, plug it into the visual cortex and we can see through the camera
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Elon Musk wants to know if you're so smart why are you poor?
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Am I the only one happy about machines taking jobs? Manual labor jobs are the easiest for machines to perform, and are usually done by uneducated people because they don't require much intellectual skill. If machines made human role obsolete, it would have some drawbacks of course like blue collar unemployment, but I think the benefits outweigh the costs in this. Since the only jobs left are jobs that require human intellect, more people are white collar. This makes education all the more important to society, giving incentive for more and better schools. Also, things would become cheaper for everyone. A machine can always work faster than a human and it doesn't need pay and mandatory breaks and vacations, therefore reducing the expenses of the company and reducing the cost of the product. Like farmers being replaced by machines would increase the production of crops dramatically while lowering the expenses the company would have to pay, making food cheaper for the general public. Because of the large amount of unemployed manpower from previous blue collar jobs and the new highly educated youth, there would be more doctors, lawyers, scientists, architects, economists, and anything else you can think of that a machine can't do. I think this would be beneficial, for example more doctors would make being operated by a doctor cheaper for the public. Do you agree with my point of view?
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Is your country becoming smarter of dumber?

Psychic Abilities

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Are there any debatable evidence of any kind of psychic ability. Such as clairvoyance, telepathy, telekinesis, remote viewing.. etc..
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Wisdom teeth become impacted because the human jaw has become smaller over time and there's no space for them in the mouth. Are there any other examples of evolution fucking things up for us so that we're only really saved by modern medicine? Will evolution continue to introduce these problems?
12 more posts in this thread. [Missing image file: ]
Why are the true distances between objects in space not commonly taught? I mean just look at this image... People seem to think that the moon sits right next to earth like it does in most images, when in reality it is actually very far away. Take a look at this: http://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html (press the little C icon in the bottom right to travel at the speed of light)
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How hard is premedicine? I'm starting as a pre-med at Tufts this fall and am curious about how hard it is. I'm a very strong math/science student. Basically, is it manageable yet appropriately challenging or do you need to be absolute god tier to get into med school?

The Whole Human Knowledge

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Do you ever come to think about of the whole of the human knowledge? The entirety of all the humans have compiled over all our history. It's kinda overwhelming. Every single piece of information: maths, string theory, classical physics, hydrodynamics, metallurgy, hell, even things like adobe after effects techniques and all that stuff. How could it be store in one place, how much space would it take? (Digitally or physically) And also what would happen if, for whatever reason, some of it dissapears, how the humanity could recover form that.

/sqt/ - stupid questions thread

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Ask all your stupid questions here that do not deserve their own thread.

Mars, our new home

33 more posts in this thread. [Missing image file: ]
/k/ here. Sorry if I'm breaking any board rules. How would we go about terraforming Mars? Is there enough gases trapped in the ice caps that carpet bombing them would release enough CO2 to create a sufficiently pressurized atmosphere? Is there enough oxygen and water in the ground to provide for biochemical processes? What kind of time frames and challenges would we be up against? What specific actions would need to be taken?






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