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Archived threads in /sci/ - Science & Math - 600. page
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File: richard-feynman.jpg (77 KB, 1200x675) Image search: [Google]
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The way this man explains phenomena so visually and intuitively is mind blowing, on all scales.
https://www.youtube.com/watch?v=GqvggMpJgL0

Anyone else have vids like these showing a true genius sharing his abilities?
28 replies and 4 images submitted. Click here to view.
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>>7682545
How come meme scientists back in the day were actually smart, and now we've got black science man and Bill Nye?
>>
>>7682548
>Nobel prize winners
>Meme scientists
Yeah, totally. Being somewhat personable makes you a meme.
>>
>>7682548
>How come meme scientists back in the day were actually smart, and now we've got black science man and Bill Nye?
Back in the day only the top handful of a percent even went to college, let alone graduated.
More people have PhDs today than the number who did some college a century ago.

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Hi /sci/ can anyone guide me how to plant this mass/energy balance?
Or at least tell me what book it is? pls
this will be my energy balances last exam
help this nigga to finish the semester, thank you in advance
15 replies and 1 images submitted. Click here to view.
>>
>engineers literally take a stoichiometry class
>>
>>7682551
well, it doesnt looks easy as that
>>
bumperino

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>go to my college's late night diner
>always order a quesadilla
>12-inch tortilla filled with cheesy and chicken-y goodness
>the other day they ran out of 12-inch quesadillas
>so instead he gave us two 6-inch quesadillas
> the fuck is this shit?
> my school is filled with Idiots who don't see the problem with this.

This is why people...
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14 replies and 1 images submitted. Click here to view.
>>
No, i think your just autistic
>>
>>7682473
I feel you op. the more you cut the quesadilla the more places it has to lose heat

>heat loss
>cheese solidifies faster
>essence of quesadilla decays quickly

I bet those fking plebs didn't even stack the two six inch ones

that's just the problem I see, are there more ?
>>
>>7682477
it's okay if you don't understand. no need to call names.

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What has mathematics done for you?

Did it help you keep you away from depression?
Does it keep your worries at bay?
Does it keep your mind at bay?
Do you find that you've become more peaceful with yourself?
Do you giggle at times you've gotten it wrong? or just laughing at the fact that proof was easy/fun/splendid?

What has mathematics done most for you?

Interested in hearing your replies.

Thanks :)
24 replies and 2 images submitted. Click here to view.
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Do not ask what can mathematics do for you,
instead ask yourself, what can You do for mathematics!
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>>7682439
Are you really a mathematician?
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>>7682410
>What has mathematics done most for you?
Irritation, depression, and even outright rage has stemmed, at least indirectly.

I know the basics. A bit of algebra and small bits of what calculus can be supported by that framework hacked in here and there. But as a whole, I never really learned it. Most of my thinking about "math" and "numbers" has been philosophically oriented.

Nothing gets more tiresome than disagreements with people who are more mathematically...
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Night, /sci/.

I'll be straightforward: is software engineering as much of a meme career as computer science? Should I study SoftEng?

Pic related: here is were I will study
18 replies and 1 images submitted. Click here to view.
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>>7682302
see
>>7666077
>>7666083
>>7666085
>>7666086
>>7666087
>>7666090
>>7666094
>>7666098
>>7666100
>>7666103
>>7666104
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>>
>>7682302
>software engineering
>not just shitty program design or a worse version of CS
Kek
>>
what's /sci/'s issue with CS? Actually curious about this because I've seen a lot of hate for CS on here and I'm not sure why.

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/sci/

Why does nasa assume that mars will get better? and that even our space probs we send there has the potential to contaminate mars?

>Contaminate and potentially cause what exactly?

I am a dummy /sci/ But don't commits and meteors carry shit unknown too? isnt that a theory of how life originated on earth?

Anyway /sci/

I was wondering instead of sending humans to mars... to DIE in the long run... isnt that mars mission the most depressing saddest experiment that will ever happen?

Why shouldnt we...
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13 replies and 2 images submitted. Click here to view.
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>>7682259
nihilist GTFO
>>
mars is cute
>>
>>7682259
>life originating on earth
If you mean, by supposing another question instead of addressing the original question - yes.

>ever being colonized
Why though, like you said it'll take time.

>why now?
Because plebs - honest to god truth
Most of the people who want to go do it based on a pathological desire to: be an
• astronaut/explorer
• get away from the unclean/doomed earth
• be free...
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File: 1447995983393.jpg (330 KB, 1200x800) Image search: [Google]
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is it multiplied of divided 2ac in the quadratic formula?
18 replies and 3 images submitted. Click here to view.
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>>7682248
2ac is part of the discriminant.
>>
2ac is still alive
>>
>>7682248
neither
>>7682252
4ac* (the discriminant is b^2-4ac)

File: hey.gif (554 KB, 250x188) Image search: [Google]
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Here's a brainteaser I thought up recently.

A cannon fires a professional baseball player 60 degrees from the ground at 80 m/s. The cannon faces a pipe 245 meters away. The pipe is stuck into the ground pointing straight into the air and has a diameter slightly large than a baseball. Could the pitcher in midair throw a baseball so that it goes into the pipe but does not touch the sides? Explain why or why not.
17 replies and 1 images submitted. Click here to view.
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>>7682221

... Woah.
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>>7682261
What?
>>
What is the max speed the pitcher can through?

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I weigh 105lbs and am 6'6". I want to build a suit that will allow me to fly, preferably like a bird or bat.

How big would the wing span need to be for me to be able to glide from a running and jumping start with no wind. How much force would be need to flap said wings in a way that would cause lift if possible. What are the chances of survival from a 25ft fall if you have a load of wood, metal, pvc pipe, fabric, rubber, and duck tape strapped to your back?

>pic related
is something I drew up, i'm a good artist.

The...
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39 replies and 6 images submitted. Click here to view.
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are you a skeleton?
>>
>>7682133
Lemme guess, you go on /fit/ and call people manlets?
>>
>>7682133
Taking into account your weight I'd say about 2 feet wider. Should be good to go after that. Stream your test if you can for making history.

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Please /sci/, give me hope for the future.
13 replies and 5 images submitted. Click here to view.
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immortality is coming in a few years
>>
>>7682132
404 error: hope not found.
>>7682140
do you have a single fact to back that up? We still don't understand ageing, it will require major cellular reengineering. At best, we'd have to genetically modify human embryos to make immortal people.
>>
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>>7682132

Sooner or later, reddit will pass

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minerals: the most interesting thing in nature
67 replies and 34 images submitted. Click here to view.
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Continue...
>>
File: IMG_20151114_153433015.jpg (2 MB, 2432x4320) Image search: [Google]
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>>7682057
your thread: the least interesting thing in nature

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How can the second law of thermodynamics can be a law if it can be violated?
V
I
O
L
A
T
E
D
17 replies and 1 images submitted. Click here to view.
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>>7682012
>can be a law if it can be violated?
ask criminals
>>
Several physicists have presented calculations that show that the second law of thermodynamics will not actually be violated, if a more complete analysis is made of the whole system including the demon. The essence of the physical argument is to show, by calculation, that any demon must "generate" more entropy segregating the molecules than it could ever eliminate by the method described. That is, it would take more thermodynamic work to gauge the speed of the molecules and selectively allow them to pass through the opening between A and B than the amount of energy...
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>>7682018
And it may not even be possible to do

File: 325px-Binomial-heap-13.svg.png (15 KB, 325x217) Image search: [Google]
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What is the best data structure and why is it the skip list?
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>>7681906
>>>/g/tfo
>>
>>7681909
Computer science is applied mathematics
>>
>>7681913
So is accounting, now go back to /g/ with your shitty trade. And they'll take your statement way too literally and belittle you for suggesting that there is a single, always-best data structure. Because they're Computer Scientists and thus don't have a functioning brain.

File: 1445818697695.jpg (78 KB, 600x600) Image search: [Google]
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Kinetic energy
So if here was a one giant mass and a bunch or little masses and the one giant masses momentum = the momentum of all the smaller masses

Kinetic energy would be greater for all the smaller masses combined than for the one one giant masses kinetic energy. Because momentum is from a direct linear relationship between mass and speed so as you add more mass the speed reduces as by the laws of physics, yet and the kinetic energy reduces since it's measurement is more dependent on speed since it is derived from work equation in which it uses acceleration...
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14 replies and 1 images submitted. Click here to view.
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>>7681844
Im sorry but you fail at physics.

The giant mass is still a constituent of smaller masses. It works both ways. Just sum them up or derive there parts and ull be wherr you started.
>>
>>7681844
you fail, and will not be allowed to pass on to the next class
>>
>>7681865
>>7681881
Cool

File: 1447577588431.png (12 KB, 530x492) Image search: [Google]
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>muh Delta S > 0
>hurr durr entropy can only increase
>mfw I clean up my room
>mfw I lowered the entropy

Fuck you, thermodynamics. I don't obey your laws.
12 replies and 3 images submitted. Click here to view.
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>>7681838
and where did that trash bag of yours go to?
>>
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>>7681838

>sitting by the gates of Hell, chillin like a demon
>want to separate atoms of elements A and B
>just open and close the gate to put A on one side and B on the other
>mfw I lowered entropy
>>
>>7681838
The kentucky fried chicken you ate, used energy to cook, which got it from a coal power station, which got its coal from the dead plants, plants needed sunlight to grow and die, sunlight provided by sun as is depletes its reserve of hydrogen. entropy increases in a CLOSED system, ot some tiny section of it

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