Please Help With Thi
LED Light Blew in my Breadboard Circuit 2016-01-15 23:32:14 Post No.7786371
[Report] Image search: [Google]
LED Light Blew in my Breadboard Circuit 2016-01-15 23:32:14 Post No.7786371
[Report] Image search: [Google]
File: Screen Shot 2016-01-15 at 3.31.12 PM.png (552KB, 660x475px) Image search:
[Google]
552KB, 660x475px
LED Light Blew in my Breadboard Circuit
Please Help With Thi
2016-01-15 23:32:14
Post No. 7786371
[Report]
[View this topic]
I'm just having fun with this breadboard but for some reason, I can't figure out why the middle LED (b/w e and f) blew out when I used my 9V battery. It lit up and quickly shut down. I smelled fumes so I assumed it blew.
Note that there used to be another LED at the bottom lined up with the others in the row. I used resistors >1k ohms for all the LEDs except the one in the middle that blew. I don't understand much about Ohm's law, but is the fact that I didn't add a resistor to the middle LED the reason it blew? If so, why? I already had other resistors so I thought there would be enough resistance.
6 Posts / 2 Images
View this topic
>>
>>7786371
>but is the fact that I didn't add a resistor to the middle LED the reason it blew?
Yes, you fucking clown. I cannot think of a better example of someone finding a simple example of "This does that, but if I change this one variable, this other thing happens." Do you really need someone to tell you that? The other resistors have no effect on the total current flowing through the LED that blew out.
>>
File: Capacitive Touch Sensor.webm (3MB, 640x480px) Image search:
[Google]
3MB, 640x480px
>>7786371
Yeah, a resistor is always needed for LEDs.
>>7786386
Sperg harder.
>>
>>7786371
>I already had other resistors so I thought there would be enough resistance.
The other resistors don't really do anything to limit the current through that burnt led, because they are in parallel.
File: 2371839-dex_5.jpg (16KB, 320x320px) Image search:
[Google]
16KB, 320x320px
Is autism an advantage in mathematics?
35 Posts / 7 Images
View this topic
>>
>>7786356
The only thing that matters in math is IQ.
>>
File: image[1].jpg (111KB, 800x449px) Image search:
[Google]
![image[1].jpg](https://i.imgur.com/cGVeosD.jpg "image[1]")
111KB, 800x449px
seems so
>>
Dont autism commonly follwed by low intelligency?
File: Gravitys_rainbow_cover.jpg (103KB, 392x574px) Image search:
[Google]
103KB, 392x574px
Hey /sci. Greetings from /lit. Have any of you guys ever read pic related? If so, how advanced/thorough/complex was the physics/math/chemistry/other science related shit in the book? As a STEM noob, I found that I could recognize some references, but not much. I guess I mostly wanted to see if more science-y people are as impressed by Pynchon's knowledge of science as regular literary English grads who just read novels.
4 Posts / 1 Images
View this topic
>>
>>7786303
Yes I've read it. The thing is, while it does certainly touch on several scientific topics, it's usually in service of some poetic metaphor and as such is not as deeply technical as it seems.
>>
>>7786334
>is not as deeply technical as it seems.
This.
I found that having a mathematics background let me appreciate certain puns like Gregory Hilbert-Spaese or shit like that. Not much else. He doesn't have deep scientific insights to offer, he just draws on technical imagery for metaphors and whatnot.
>>
>>7786303
I love this book and have read it many times. but it's literature. no complicated math. if you know Pynchon, the math is in there usually to make a pun. I remember a sex scene where slothrop is kissing katje on her osculating curves or something like that. same with chemistry.
it's a very funny book and just good conspiracy style sci fi. very clever and original fantastical characters with strange skills and it takes lots of turns. occasionally has some inspired metaphysical moments.
Anonymous
Study on twins suggests most people return to their normal happiness level after trauma 2016-01-15 22:45:07 Post No.7786220
[Report] Image search: [Google]
Study on twins suggests most people return to their normal happiness level after trauma 2016-01-15 22:45:07 Post No.7786220
[Report] Image search: [Google]
File: ugly twins.jpg (57KB, 702x336px) Image search:
[Google]
57KB, 702x336px
Study on twins suggests most people return to their normal happiness level after trauma
Anonymous
2016-01-15 22:45:07
Post No. 7786220
[Report]
[View this topic]
http://www.psypost.org/2016/01/people-bounce-back-after-traumatic-experiences-twin-study-says-40231
Downside: doesn't seem longitudinal. Self-report all the way down.
2 Posts / 2 Images
View this topic
>>
You can instantly rehabilitate someone which restores their motivation to live by challenging their instinct for survival. You just have to give them an option, that's all.
File: 800px-Origin_of_Species_title_page.jpg (121KB, 800x1284px) Image search:
[Google]
121KB, 800x1284px
Do you think we qualify as a domesticated animal under the Darwinian theory of evolution?
7 Posts / 1 Images
View this topic
>>
>see something I research
>get instantly excited
>see that it is a baseless question with 0 practical applications aside from fodder for armchair scientists
>fml
>>
>>7786171
do you qualify as stupid under the Darwinian theory of evolution?
>>
>>7786176
Have you read the work? I simply mean the fact that Darwin never touched on the evolution of our species, yet goes over in detail domesticated evolution.
Would we not qualify as a domesticated species?
File: multipleee1.jpg (80KB, 709x400px) Image search:
[Google]
80KB, 709x400px
Suppose energy becomes free and unlimited (not literally, but in a sense say that fusion is discovered). And suppose that energy via fusion is so easy to make that they literally hand out fusion devices on the streets for free and the whole world had free energy from now on.
How would the world change?
How would the society change, as in, petroleum and fuel companies would cease to exist, what will they base their focus on? Energy transfer companies would die out, as you'd have a device in your yard, and literally everywhere else powering your needs.
What would be the main consequence of this discovery and the world after it?
How would science advance, having not to worry about energy ever again? What would the first next big scientific breakthrough or engineering wonder come to life, considering energy is not holding it down anymore?
14 Posts / 2 Images
View this topic
>>
> Suppose energy becomes free and unlimited
:^)
>>
>>7786175
What? It's a legitimate question, read the next two words after it.
>>
>>7786170
Why won't the free energy meme die already it is not fucking possible.
Anonymous
Will someone annhilate us in a near future? 2016-01-15 22:18:49 Post No.7786157
[Report] Image search: [Google]
Will someone annhilate us in a near future? 2016-01-15 22:18:49 Post No.7786157
[Report] Image search: [Google]
File: Mass_Effect-wallpaper-10052804.jpg (634KB, 2160x1920px) Image search:
[Google]
634KB, 2160x1920px
Will someone annhilate us in a near future?
Anonymous
2016-01-15 22:18:49
Post No. 7786157
[Report]
[View this topic]
Cuz I'm scared of all the shit aliens could made to destroy fucking kill everybody
11 Posts / 1 Images
View this topic
>>
>>
>>7786157
Mods please remove this shit
>>
>>7786157
oh noes its the chimney lobster people
File: HadronCollider_6.jpg (81KB, 962x336px) Image search:
[Google]
81KB, 962x336px
where is my free energy?
2 Posts / 1 Images
View this topic
>>
You've chosen relativistic theory, but you were mistaken. You should have chosen Ether. Now enjoy your butthurt and $30 oil.
File: Royal-Pacific-4100K-Fluorescent-Light-Bulb-Pack-of-10-EP240-1341.jpg (12KB, 400x400px) Image search:
[Google]
12KB, 400x400px
/sci/, quick question, would photosynthesis be efficient under a white flourescent light like pic related
10 Posts / 2 Images
View this topic
>>
Go grow your weed somewhere else
>>
>>7786137
we dont have a garden
>>
>>7786137
I'm just trying to make experiments on some fucking beans and I don't want to wait for summer so they can have fucking enough light.
Anonymous
Comparing US math education 2016-01-15 21:01:24 Post No.7786020
[Report] Image search: [Google]
Comparing US math education 2016-01-15 21:01:24 Post No.7786020
[Report] Image search: [Google]
File: 1432238970784.jpg (37KB, 500x400px) Image search:
[Google]
37KB, 500x400px
Comparing US math education
Anonymous
2016-01-15 21:01:24
Post No. 7786020
[Report]
[View this topic]
Everywhere i go on this board, i hear that math education in freedomland is utter shit.
Maybe im just stupid, but i cant find a proper source for the detailed curriculum of colleges in the US.
Could someone give me a brief summary of content taught on the first few college years of a math student?
For comparison, first year computer science student from germany here, finishing my first 13 weeks of being a student on some pleb university. (18 years old)
Here is my first year so far, only concerning my math courses, proving everything from scratch:
http://pastebin.com/mDVEB7gK
We learned how to handle 80% of the operations needed in high school, like derivation, differentiation and basic calculus, so no need to learn the handicraft. Pure proofs...
>tl;dr is US math education system really that shit? Compare with german masterrace(link).
16 Posts / 2 Images
View this topic
>>
>body
It's called a field.
>>
I was surprised to find out that American highschool math is more rigorous than UK hs equivalent math because europoors can never find enough time to explain how dumb america is
Not sure much about the euro uni courses but I know they would need some catching up to do
>>
>>7786027
A-levels m8
File: materials.jpg (73KB, 467x278px) Image search:
[Google]
73KB, 467x278px
What's /sci/'s opinion on material science? Is there interesting research going on in the field?
7 Posts / 2 Images
View this topic
>>
>>7785990
i think its a meme degree desu. if you want to do materials i would do pure chem with a graduate degree in materials.
>>
>>7787029
in a perfect world the only undergrad stem degrees would be physics, chemistry, biology, and mathematics
everything else would be a specialization in grad school
>>
I think we all have one of those
Anonymous
computer science students 2016-01-15 20:14:05 Post No.7785883
[Report] Image search: [Google]
computer science students 2016-01-15 20:14:05 Post No.7785883
[Report] Image search: [Google]
>what do you love the most in your studies?
>what do you hate the most in your studies?
13 Posts / 3 Images
View this topic
>>
>>7785883
>>what do you love the most in your studies?
video games
>>what do you hate the most in your studies?
math
>>
>>7785883
Love: AI, math
Hate: Debugging code when trying to implement/test whatever
>>
>>7785883
Everyone ever hates unit test.
Love is more independent so I'd say graphics programming that shits fun... First raytracer is like ooooooo
Anonymous
Popsci and 'easy science' 2016-01-15 20:10:29 Post No.7785870
[Report] Image search: [Google]
Popsci and 'easy science' 2016-01-15 20:10:29 Post No.7785870
[Report] Image search: [Google]
File: Popsci.jpg (34KB, 800x295px) Image search:
[Google]
34KB, 800x295px
Why is /sci/ so opposed to popsci or dumbing down science for the masses? I don't understand. First of all, making science interesting is what will get the youth to major in STEM and help the average Joe to understand scientific advances.
For example, do you think it's right for children to be introduced to Chemistry by finding the concentration of a substance in mol/L? Of course not! That's absurd.
Bill Nye the Science Guy was an extremely dumbed down show to explain science to kids in a way that isn't the interest equivalent of styrofoam on dry toast.
Why do you guys hate this approach so much?
38 Posts / 3 Images
View this topic
>>
>>7785870
because then we have to deal with faggots such as you
>>
Because FUCKING NORMIES REEEEEEEEE
>>
Muh sekrit club mentality.
what does /sci/ think of the veracity of this premise?
43 Posts / 9 Images
View this topic
>>
Sounds completely logical. I have nothing to counter it.
>>
People can be simple minded
>>
>>7785845
Psychological studies like these that rely on binary answers to intricately worded questions are shit. All this proves is that the result is dependent on what questions you choose and how you word them, not on anything real.
File: Untitled.png (8KB, 449x170px) Image search:
[Google]
8KB, 449x170px
Last year there was a thread and an anon posted a link to an onedrive cloud with a dump of textbooks. I lost the link before I could download all the books. Does anyone have it? Pic related are some of the folders of the cloud.
Also if any anon is willing to post some clouds with up to date books, their welcome.
5 Posts / 1 Images
View this topic
>>
>inb4 an onedrive
>>
>>7785826
i'll bump b/c info is free!!1!
>>
>>7785826
https://onedrive.live.com/?id=30E482D036894515%21586&cid=30E482D036894515&group=0&authkey=%21AFBteyUT1EK1ai0