Archived threads in /sci/ - Science & Math - 353. page
Images are sometimes not shown due to bandwidth/network limitations. Refreshing the page usually helps.
High IQ people confirmed for brainlets! The man with the world's highest IQ claims he often forgets things when walking from one room into another. GENIUSES ON SUICIDE WATCH!!!
Pic related.
>>7855788
Ok source?
>The man with the world's highest IQ claims he often forgets things when walking from one room into another
i remember every thought i have had in my entire life from every room that i have exited. i have a system of tricks for it but it's too complicated to type here. pm me if you're interesting in learning about it.
>>7855962
It's from an interview that's on youtube.
I'm trying to help a friend with math study, she has an induction proof question that she needs help with. I haven't done anything like this in 7 years so I'm rusty, can someone please help with a proof?
I feel like I'm overcomplicating this...
k=0 works, assume k=n works, plug in k=n+1 and factor 11 out
>>7855452
Case 1: K is even so 5k=10n
5^10n+1 + 4^10n+2 + 3^10n = 5+16+1=22=0 mod 11
Case 2: K is odd so 5k=10n+5
5^6 + 4^7 + 3^5 = 3^3 + 5*4^2 + 4*3 = 6 + 4 + 1 = 0 mod 11
QED
If I were shining a UV LED onto a metal, I would get a certain amount of electron scattering due to the photoelectric effect. Is there a way, without changing the light or the metal, to increase the amount of electrons released from the metal?
Rub the metal with cotton to static some extra electrons out.
Does changing intensity of the light count?
>>7855385
No. It has to be the same LED at the same amplitude.
Gravitational waves, now being heralded as the greatest scientific discovery of the decade, do not bring with them some magical form of communication.
Just because some hipster egghead with a liberal arts degree decided it would be a good science word to drop in their shitty science fiction novel, doesn't mean that the practical applications of gravitational waves can be anything you want them to be.
So, let's talk about exactly what gravitational communication would mean:
First off, Gravitational waves propagate at c. This makes them no more effective a means of ultra long distance communication than actual light.
Secondly, they are very, VERY weak, and much harder to detect than light. To give you an idea of how weak they are, the "amplitude" of the gravitational waves detected at ligo, originating from 2 twenty to thirty solar mass black holes spinning around each other pretty damn fast astronomically speaking, was about 1/3rd the diameter of a proton.
To put that in perspective, pic related.
Protons are fucking miniscule.
Lastly, we have no means of creating gravitational waves at any kind of detectable level.
>>7855340
butthurt
>>7855340
I think it really says something that modern physics discoveries are so dry and useless that the media has to put in so much effort to hype it up. When things like nuclear fission happened the papers merely reported the plain truth which is that it's a potential new energy source and weapon but now thy have to make up convoluted sci-fi applications that aren't even true.
>>7855373
It's kinda disappointing that all this shits already been predicted and we're just proving it now. I hope I live to see some discovery that completely contradicts modern physics
>University of Leicester discovery identifies harmful bacterial molecules in processed foods and how to prevent them from arising.
>The study identifies a particular kind of contaminating molecule known as ‘pathogen-associated molecular patterns’ (PAMPs), which are released by certain types of bacteria as they grow during some food processing and refrigeration processes, and may increase our risk of developing conditions such as coronary artery disease and Type 2 diabetes.
>A low PAMP...
Comment too long. Click here to view the full text.
>>7855210
Interesting.
>>7855210
This is cool.
The idea of bacteria affecting these kinds of diseases is neat.
>>7855210
Too lazy to read the paper but doesn't sound very interesting. The term PAMP is misleading as non-pathogenic microbes can express the same things.
PAMPs include flagellin, peptidoglycan, Lipopolysaccharide, dsRNA, and more.
Your innate immune system is responsible for this recognition, many times through Toll-like receptors (TLRs) found on many cell types.
Eating foods with high levels of microbial structures could trigger a sort of chronic innate immune response. Inflammatory cytokines...
Comment too long. Click here to view the full text.
this is the hidden terminal problem:
- A opens a transmission to B.
- A cannot transmit to C, since C is out of A's range.
- C starts a transmission to B, and because it can't sense the current transmission between A & B (because A is too far away), there will be data collision at B.
>sounds logical
But why can't C detect (carrier sense) the data flow in the outer bounds of its range?? there is clearly an intersection of both A's and C's ranges, so carrier sense should detect something's going on...
>>7855181
It can't sense it without interfering with the system
>>7855189
how does carrier sense work then? how does it conclude the medium/channel is free?
>>7855199
In the real world, theres a secondary system that pages channels.
In this model only way is to send a signal and see if there's interference
-Space is infinite.
-Matter is not; there is a finite amount of matter in the universe (including stars, nebulae, galaxies, etc)
-No parallel universes
-No alternate realities of any sort, including matrix type shit
-The universe is real, no nihlistic shit
-No big bang; universe has been in a solid state. The idea of all matter in the universe, every last atom, combining and collapsing into a single point is absurd. Especially if you think matter is infinite and/or there are other universes or realities.
-Time is an allusion and places no part in physics, it...
Comment too long. Click here to view the full text.
illusion
plays
autocorrect
Explain cosmic expansion and how galaxies are depleting hydrogen.
>>7855165
>-Space is infinite.
-Matter is not; there is a finite amount of matter in the universe (including stars, nebulae, galaxies, etc)
How about this. The density of matter in the universe is greater than zero. Space is infinite. Therefore, matter is infinite.
>-No big bang; universe has been in a solid state.
I'm cool with that. I don't really like the idea of the big bang anyway. We don't even understand how many celestial...
Comment too long. Click here to view the full text.
>you were born just in time to witness the gravity wave epoch and the discovery of the universal gravity computer through which our immortal conscious bretheren existing for millions of years throughout the universe communicate with each other via gravitons.
>the discovery of intelligent life throughout the 'verse, as they call it, will change humanity forever on planet earth. We will become 1 people. Bernie Sanders will be elected and reelected and serve 8 years as President. In that time, droves of people like...
Comment too long. Click here to view the full text.
>>>/r/eddit/
>>>/pol/
fuck off with your political plugs retard
>>7854951
I'm talking about gravity waves and the impacts of discovering the universal computer. Peace and love, bro. No need for hate any longer.
report reddit raids
hide reddit raids
ignore reddit raids
>>>/r/eddit
please tell me this shit is wrong.
>>7854859
this shit is right
I can't help but feel that's wrong. I have been told at school that the gravitational force of a star pulls the planets towards its center.
At a counterpart, the speed of the planets pulls them away from the stars grip. The result of the antagonism of both forces is an elliptical orbit, where the star is one of the centers of the ellipse.
Who's right here?
>>7854868
Both are models that describe our reality
Einstein's general theory of relativity proves that pic related is correct.
Tell me, /sci/ how did you contribute to this world with your intelligence ?
>implying
Wasted it on 4chan and writing shit
>>7854806
>intelligimance
>imphglyjng
Can someone give me a better explanation on how we evolved through time. Like where we started etc.
There's a bunch of different theories. They're still digging up fossils. They have to revise things every year.
I want to hear your opinion then.
Why haven't you learned Finger Binary yet, /sci/?
https://en.wikipedia.org/wiki/Finger_binary
>that hand cramp when doing 9
>>7854720
>>7854720
>Spending time in such worthless and trivial endeavors
What is the point? To look geeky and cool to the eyes of reddit memesters?
>>7854731
Fucking this. What is wrong with you people?
http://www.sciencealert.com/this-woman-has-illegally-uploaded-millions-of-journal-articles-in-an-attempt-to-open-up-science
Does this revolutionize science?
>>7854718
>Does this revolutionize science?
Not it just increases the millions of STEM wannabes fighting each other just for 1 job opening
>>7854718
STEM wannabe: the website
>>7854718
Researchers always have access to the articles they need, if your institution doesn't subscribe to the journal your library's collaborators can get it for you legally, this is no time or effort on your part, there is literally dedicated staff who's job it is to get it for you, a quick email and you have it a few minutes later.
The people who use the term "paywall" are generally not researchers, but people who want to read an article for personal interest.
>Russian scientists want to modify existing intercontinental ballistic missiles to deliver a nuclear warhead that will supposedly obliterate near-earth asteroids that measure up to 50 meters across. They want to test this capability against Apophis, a well known near-earth asteroid that will pass close to Earth in 2036.
>Sabit Saitgarayev of the Kakeyev Rocket Design Bureau’s is the leading researcher on this, and recently told TASS News why an ICBM is their asteroid plinking platform of choice:
>“Most...
Comment too long. Click here to view the full text.
>>7854700
I hope the nuclear disarmamnent faggots step up their game a bit faster.
The sooner humans are extinct the better
I saw armageddon, they need to spend a space oil miner driller along
aren't asteroids usually the size of countries? i don't think we even made enough nukes in human history to destroy that much mass.
How would the job market for physicists be in the next 6 years?
>mfw taking Physics degree, >mfw engineers around me can more easily get jobs
>mfw I might end up being a finance slave
Would I be able to work in the industry just as any engineer can, albeit in a different way? Please tell me everything's gonna be ok, I want to continue Physics, No Tears only dreams pls.
>>7854680
Forgot to mention,
Planning to get into grad school
>>7854685
>/adv/'s full of virgins and high schoolers(and they're ok with high schoolers).
