Archived threads in /sci/ - Science & Math - 9. page
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Explain why this wouldn´t work.
The ball is dropped on the red line, suppose to be some flexible material like rubber. The blue box is slightly heavier than air making it rest at the bottom. As the rubber is pressed inwards the air pressure inside the outermost box increases making the blue box lighter causing it to rise. The blue box hits the ball back up and as the rubber returns to its original state the air pressure returns to normal causing the blue box to sink to the floor.
I understand that its not practical, ie, the blue box might not rise fast enough...
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Why do you think increasing the air pressure in the big box would make the blue box rise?
I'm pretty sure increasing the air pressure would make the blue box stay right where it is
Has can't stay in the form of a "box", regardless. It will expand to fill the volume of its container, the partial pressure of the air is what keeps the blue box down near the floor
>>8201940
nothing wrong with that theory where:
desnity of air = x
density of ball = x + e
density of block = x - e
lim(e->0)
>>8201940
Wouldn't the increasing pressure compress the box too, making it denser?
But if not, then assuming no energy losses perhaps you could get that thing to oscillate forever. That's not what people usually have in mind when they're talking about perpetual motion devices (an idealized mass on a spring would be a perpetual motion device by that definition).
can we agree that planets and solar systems are in some sense "alive"?
I don't mean biological beings, but beings that have subsystems that react to their enviroments, just like living beings.
can we agree that atoms and molecules are in some sense "alive"?
I don't mean biological beings, but beings that have subsystems that react to their enviroments, just like living beings.
>>8201762
can we all agree sound vibrations and resonance and the human puzzle of creation of division and bioligy devided by sound is fact?
never got an answer for this.
Hey /sci/,
Do you use linux at home or for work?
If so what distribution of linux do you use and why?
Arch linux, at home and at work, mostly because I'm a member of the AV club.
>>8201483
>AV club
arch is for cs plebs, centos if ure serious
I use Arch for my personal computer and Debian for my server. If you're in the sciences, it's a good skill to have. If you're new to linux, I recommend installing Kubuntu in a virtualbox. I used to run Kubuntu on an old machine which is now dead (not because of Kubuntu) and it's pretty easy and slick. Since it's just Ubuntu with KDE, it's one of the easiest distributions to troubleshoot in my opinion.
Imagine a hypothetical being or "zombie" that is indistinguishable from a normal human being except in that it lacks conscious experience, qualia, or sentience. When a zombie is poked with a sharp object, for example, it does not feel any pain though it behaves exactly as if it does feel pain (it may say "ouch" and recoil from the stimulus, or tell us that it is in intense pain).
It is just as capable of problem solving, working and reproducing as a normal human.
Why aren't we all zombies?
>>8199921
Have a look at solipsism. It will expand on the concept you've proposed.
Also, it's not science because you can't prove it.
>>8199921
Zombies can't collapse the wave function.
Post the funniest research papers you've encountered. Or ones that have made you sad or furious.
Meyer-Rochow VB, Gal J (2003): Pressures produced when penguins pooh—calculations on avian defaecation. Polar Biology 27:56-58.
>>8199547
good kek thread
>>8199547
A Mathematical Model for the Determination of Total Area Under Glucose Tolerance and Other Metabolic Curves
basically this woman reinvents high school calculus, names it after herself and gets cited like mad
>>8199737
This story gets exaggerated more the more it is brought up. No, that is not what it is.
Isn't infinity just a concept? Can an undefined number be bigger then a defined number?
I am a total noob when it comes to mathematics.
>>8199101
Infinity is big, and stupid, and fat, and ugly.
Infinity is a big number
for you
>>8199101
Infinity doesn't exist in nature, so yeah it is a concept, just like elves, Santa, God, and good rap music.
Hey, so, I has a question. How big is the biggest neural network that wed have ever built and how does it compare to the human brain?
Also, how far can we go in terms of building a large neural network?
>>8198908
The largest we've roughly simulated is a cluster of ~10 neurons.
A novel hardware architecture will be needed. Even the current cluster-based computing isn't good enough and has too many problems with synchronization and latency.
>>8198914
wait, so youre telling me this one had like, 10 neurons?
http://www.popsci.com/science/article/2013-06/stanfords-artificial-neural-network-biggest-ever
Do you mean single processors only?
its microsoft's res net with like 150 layers.
>also your a fucking retard OP
Sup /sci/
I'm a senior in EE. I graduate in December. I want to get a more in depth knowledge of Calculus.
When I took Calc 1 through 4 I kind of just went through the motions. Basically, I learned a very superficial knowledge of the concepts in order to simply pass the exams. I quickly learned, however, that having an intimate knowledge of concepts like differentiation and integration. I often struggle in some of my classes to realize that something can be solved by simply integrating or differentiating due to the fact that I don't truly understand...
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If you want a more theoretic approach praising formality you should pick either baby rudin or Spivak and work your ass through them and then start with analysis
super bump
>>8198159
I'm going to start a degree in EE in September, any tips?
Should we start reducing the human population right now, and keep a sustainable number? How?
>>8200157
It would be nice if we could do this, but short of me becoming a living god tomorrow and gradually massaging the number downwards over generations by sustainably limiting human procreation (the best possible method since it involves conscious, singular self-direction of a species), it ain't gonna happen. The animal is programmed to breed breed breed, as animals do, until external factors limit its growth. The animal is also programmed for intra-species competition to optimal sexual access, (among access to...
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>le overpopulation maymay
Scarcity isn't caused by a lack of resources, it's caused by inefficiency in distributing the resources, you ignorant mong.
With better energy sources literally anything is possible, until we run out of surface area on earth to build structures on. That's not happening any time soon.
But anon, what are you talking about? Everyone is telling me overpopulation is a myth, and that population is projected to begin to decreasing. They also say the planet can support ~14 billion...
I don't know about you, but I can't wait to watch my nice, peaceful, relatively quiet rural home, be ravaged by intense development and a massive population influx. I can't wait to be stuck in traffic all day living in a nice cement paradise with light pollution that eclipses the stars. And don't forget! The people! I can;'t wait to feel all cuddly wuddly...
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Why do intelligent people tend to be less happy?
not enough memes
>>8197181
What is your reasoning or source and how do you define "tend to be" and "less happy"?
They realize that life has no purpose and can see past the artificial and materialistic drive of society.
Sorry for the inane post but I could really use some clarification here...
the disputed question is number 17 and whether or not it is True, False, or "merely possible."
A fellow maths student and I are convinced regarding one answer but my book provides a different one so I'd like to hear /sci/'s take on it
formal logic applies so keep that in mind
after a few responses I'll let you know what the book said, you can all probably guess though
>>8203755
true
april showers characterize may flowers
as in, one happens if and only if the other one does
false
can't you just contrapose the first statement to deduce 17 must be true?
they probably wanted you to see that 17 is only possible based on statement 2 because they're stupid
What music does /sci/ listen to when they study or practice the maths?
The Residents t.b.h
/mu/core
GY!BE
is the opposition against GMOs entirely emotional and based on some vague "ethics" ?
i dont see why we should put any restrictions to genetical engineering at all i dont even see why we should not freely apply this form of engineering to better the human genome or create human-animal hybrids
so /sci/ is there any scientific argument against at least some forms of genetical engineering
GMO food is never modified to be more delicious or nutritious.
Instead it is modified to be pest, and pesticide resistant.
It's not about your health, it's about corprate greed.
Also tumors.
https://www.youtube.com/watch?v=U5Vl3ORH5ME
>>8190912
>>8190926
>>8190955
i have deliberately asked for counterarguments
why dont you just provide me with some instead of just hypothesizing about my reactions to them ?
What IS the Universe?
>"It's le Universe duh"
>"It's """energy""" and """matter"""
>"It's the set of all sets that are members of themselves"
>"It's """"""""EVERYTHING""""""""""
These are all filler words that describe nothing.
So...
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It's le Universe duh
>>8201696
Le Universe duh. It's a set of all sets that are members of themselves, including energy and matter; basically EVERYTHING.
>So if you could zoom back and see the whole Universe, what would it be and what is it doing?
A singularity
ITT: Notations or conventions in math and science that make you REEE. Bonus points if we're too far gone to change it and just have to deal with ut at this point.
I know these things are abritrary and don't affect anything drastically, and I know this is a brainlet tier shitpost, but I'm interested in seeing what you all think of this.
> The charge of an electron being denoted as negative, leading to "positive charge flow" in circuits and other retardation.
> The use of π rather...
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same
>>8186085
Oh, and the use of "It can be clearly seen" or "It is fairly obvious" in any textbook ever. It's the laziest cop out WRYYYYYY
>>8186085
>REEE
gb2/r9k/ you fucking autistic cancer.
