Archived threads in /sci/ - Science & Math - 357. page
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>mfw americans spend billions of dolalrs to make a giant detector to prove that gravity can bend space when all they had to do was make some coffee and stir it
>>7851164
kek
>>7851164
kek
>>7851164
looks like ur mums butthole m8
ITS HAPPENING
https://www.youtube.com/watch?v=c7293kAiPZw
where were you when gravitational waves were confirmed?
>>7850896
NOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!
>>7850896
>where were you when gravitational waves were confirmed?
Well last time I was taking a dump, coincidentally I was also taking a dump when it was announced that the majority of the signal they detected was likely just dust. This time I'll probably be on 4chan, but I'm going to try and keep the tradition going and be taking a shit when they announce this one as well.
>>7850896
the lady is spoiling the shit out of this with her smiles.
Why do so many people who barely passed high school science, or people who are experts in a completely different field, always have an opinion of things they literally do not have the framework to understand?
The average climate change denier or flat earther does not have the base of knowledge required to even begin to engage with the topic.
Why can't people just say "I don't know" and keep their mouths shut?
T. An engineering student that keeps his mouth shut about biology, chemistry, climatology, etc.
do you think the average climate change supporter has the base of knowledge required to even begin to engage with the topic?
>>7850881
Their new age priests have imbued them with the powa of the AGW carbon rationing Gods!
You might be allegedly smart on scientific topics but you are dumb as fuck when it comes to human psychology 101.
It's simply the fact that humans want attention and valdation. A natural and easy way to achieve that is to tap into the social conscious and project an image of being knowledgeable on a hot button topic.. the kind of topics that get gullible people on board and hothead idiots like you woynd.. so that the topic stats relevant. To them it doesn't matter if they are right about something or not, as long as people are paying attention to them when they...
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Many people on the internet claim that running on a treadmill requires the same amount of exertion as running on solid ground.
However, I don't think that this assertion is supported by physics.
First, I'd like you to consider what happens if you were to drop a runner directly on to a treadmill.
If he was already moving his legs at the exact right speed, (very difficult in practice, but bear with me), he would simply run, stationary in relation to the treadmill, just as if he'd been running on it the whole time.
Now imagine dropping a runner...
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Makes sense to me.
What friction are you ignoring though?
Because the treadmill applies its force through friction.
We can't just ignore friction (and I don't see why you'd want to). If the treadmill has better grip you will use less energy. If the ground has better grip the opposite is true. Now I don't think most treadmills have poor grip. It's a core feature.
The only reason I can see running outside would be easier is if you have the wind in your back.
And if we're just considering how exhausted you get often if you run outside you need to adjust the angle of your feet, which is energy you output. There's also the additional inefficiency...
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>>7850864
Well, yeah. The foot is also applying its force through friction.
What I meant was, I'm ignoring any friction that doesn't contribute to the lateral movement of the foot, since we're only focused on lateral movement.
Such friction would be rather small, anyway.
>A different definition involves what Terry Tao refers to as ultralimit, i.e., the equivalence class [(0.9, 0.99, 0.999, …)] of this sequence in the ultrapower construction, which is a number that falls short of 1 by an infinitesimal amount.
Can we now finally admit that .999... != 1?
.999...! isn't a number that falls short of 1 by an infinitesimal amount.
It's just a representation of a number, in this case, 1.
.333...! represents 1/3
.666...! represents 2/3
.999...! represents 3/3 or 1
If you argue that .999...! isn't 1,
then you have to argue that .333...! doesn't equal 1/3.
Which is stupid, because .333...! is a commonly agreed upon way to represent 1/3 in decimal form.
>>7850796
>Which is stupid, because .333...! is a commonly agreed upon way to represent 1/3 in decimal form.
But the question isn't whether we agree to let it represent 1/3, the question is whether it -is- 1/3.
>>7850801
You can't play this game in math.
Is gif related accurate?
>>7850715
more or less, everything is vibrating crazy fast, it wouldn't be so clear if you were shrunk down trying to observe that.
>>7850726
How do you know it's kinesin?
I don't want them to prove that FTL is impossible and that we're going to be stuck on this shitty planet and solar system forever.
No... i just cannot accept it. There must be another way...
>>7850703
wut
>>7850703
>FTL is impossible
>stuck on this shitty planet and solar system forever
One has nothing to do with the other. Fuck off.
>>7850776
Scientists are saying gravity travels at speed of light. If thats true
>no Alcubierre warp drive
>no wormholes
>no FTL travel
>stuck on this shitty planet forever
>win spelling bee
>be considered "smart"
>>7850669
Op can't spell
>>7850669
Well people who can't spell are more likely to be stupid, so there's that. If you don't understand the language you speak, you're also not very likely to be able to grasp the intricacies of mathematics and science.
>americans
>Einstein failed his math exams many times in school
Why does this myth persist?
Is it spread false hope that "anyone can do math if they try hard enough"?
>>7850595
Do you have autism?
>>7850597
Yes
The kind that makes me smurt
>>7850610
Fuck off and stop polluting this board with trash threads
Where can I find good Mathematics problem sums with solutions provided? My school always provides me with questions and answers only and have to make a long trip to visit the TA or professor whenever i need help which would have been saved if the solution was provided. Thanks for the help.
Maths Quest's Maths C for Queensland year 11 and 12 have some of pic related. Particularly year 11, if I remember my high school years correctly. They were my favourite textbooks.
>>7850575
I need Calc 2 shit like integration by parts and polar coordinates.
>>7850567
bump
little disclaimer here:
i don't know english well, so don't kill me instantly)
problem:
please help me to understand
- imaginary unit
- complex numbers
- quaternions
for what these imaginary units are made?
complex numbers are just vectors?
and quaternions... so difficult) why they have 4-dimensional unit to explain 3d rotation.
very want to uderstand this. very,very)
>for what these imaginary units are made
Many mathematical problems become a whole lot easier in the complex plane.
Quaternions are useless poser shit though.
>>7850546
can you present me these problems?
>>7850544
Read a book
Any math geeks here? Is pic related true?
>>7850520
The odds are certainty.
>>7850520
The probability of finding your mom is meaningless, you'd be born no matter what, just with a different mom or dad or both. Same thing with the sperm.
It is interesting though, because we're tiny specs on a small rock in a limitless universe, with infinite parallel universes (if the universe is infinitely large). We're also tiny on the time scale, with a lifespan of 70 years on an infinite time scale.
It gives me existential feels, knowing that we have only 70 years to exist on a tiny planet,...
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>A man sees a leaf fall in the forest without making any predictions of where it will land
>It lands in a particular spot
>The man then points at the leaf and calls it a miracle that defies astronomical odds
Is pop science good for science education? Or is it creating a generation of fedora tipping STEM wannabes who'll just end up doing something not related to science after they finish their degrees?
>>7850446
is it good for the board to post the same thread over and over again or is it just shitposting?
>>7850446
> STEM wannabes
More plebs working for us master race I guess
>>7850446
Neither both are second order pandering methods that can only sustain themselves after the nerd demographic has already formed. They feed on the movement rather than accelerate it.
What's the fastest and least time consuming way to study Maths? Let's say I have a Linear Algebra test coming up the next week, and have a weekend to work on it. And umm, study techniques general i guess?
>>7850382
Hope somebody could help, currently am mindlessly spamming problem sums again and again, literally like a no life asian, it works, but it takes up too much time, i need to have a way gain the necessary skills in a more productive manner.
the best way to learn something is to be prepared to teach whatever it is that you are learning
if you can teach a subject, you can pass a test on that subject
>>7850406
Teaching is one thing, probably a good way to get the foundations right, but when they throw at you Higher Order thinking sums, you'll mess up big time.
Is there really no way to make yourself more intelligent, /sci/?
If you're born dumb, is it hopeless?
>>7850307
Exactly how intelligent would you like to be, if you could pick right now?
>>7850341
I don't know.
Just intelligent enough to achieve something worthwhile and be relatively successful. Well, not only that; I also want to understand things and have a grasp of how "life" works.
I feel like I'm doomed to being mediocre no matter how hard I work or how desperately I strive to be "special". I'll graduate soon, and I feel that I had to put in 10x more work than anyone else--where everyone else gains an intuitive understanding nigh instantly, I'm stuck...
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I think there are 2 types of genius. Some, like Gauss, are just magical. Theres no fucking explaining how he did some of the stuff he did - these people are on another level.
But plenty of genius fall in to the other category - people who are brilliant and do great things, but you get the feeling that if you work hard enough you could be just as great. Eg: Feynman.
The only way to increase your intelligence is practice. Just like weightlifting or any other kind of training, you wont progress unless you are frequently pushing the edge of your mental faculty. Work,...
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