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Archived threads in /sci/ - Science & Math - 1630. page

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http://undergrad.pbsci.ucsc.edu/physics/apphbs/apphbs-requirements.html

is this just a sham? the heck is applied physics? I'm interested in physics but I'm also interested in moving out of my mom's basement someday so I'm trying to find the solution
11 posts and 1 images submitted.
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>>8121195
I'm not sure what makes this 'applied.' It covers the basics of a phyics undergrad, if not a little light on electives/special topics. If you want to sell the title 'applied,' you should consider some internships during your summers, or maybe doing research in an engineering/experimental lab that focuses more on design or instrumentation than fundamental science.
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>>8121226
so I'd just be cucking myself if a chose that over pure physics? would I be better off with computational maths or electrical engineering or something?
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Applied physics is called Engineering.

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>want to learn about machine learning, neural networks, AI in general
>online courses make you sit through weeks worth of lectures on linear regression
>makes you do dumb shit with tiny data set using R
>"now you know AI"
>wtf
>try OpenCV courses
>literally 70% of the course is learning to draw lines on PNG files using Python
>the rest is babby's first OpenCV API call

How do I learn this shit? The materials I've found so far are just terrible.
20 posts and 2 images submitted.
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http://www.deeplearningbook.org/
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You're looking at the wrong courses. There are some decent ones out there if you look a bit harder.
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>>8121072
http://video.mit.edu/watch/artificial-intelligence-lecture-1-introduction-and-scope-26802/

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If the universe is somehow a simulation then how am I conscious and self aware? This concept of being simulated is a long known idea to me yet still confusing, sort of disturbing also.
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Even Brian Greene said it: everything is made up of information.
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>>8120869
Also, Sylvester James Gates says the universe is a program like that of an internet browser.
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>>8120869
>>8120883
Also, words with multiple meanings and analogies are hard for the general public consumers of pop sci to grasp.

>>8120855
Unfalsifiable. Consciousness and self-awareness can be possible either way. It's only disturbing because humans have a tendency to worry about irrational shit - the same reason you may have at some point in your life felt uncomfortable at the scale of the universe or something along those lines. It clearly isn't making any impact in our lives. I suppose you could claim it debunks afterlife, but afterlife could be simulated, so that's not really true.

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Can a team of surgeons safely create a human centipede?

What would be the medical complications besides the gag reflex, stitches, suffocation, and bacteria?
27 posts and 3 images submitted.
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you can not survive by eating poop. The 2nd guy would die almost immediately, same with all the rest
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>>8120630
sure you can, how long is unknown but many organisms eat their fecal matter.
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>>8120638
Organisms that re optimized for doing that. Human faecal matter has very little nutritional value

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I'm living in a state of constant and extreme brain fog for weeks, and sometimes I suddenly get cleaheaded for a few minutes/seconds.

How the fuck does this happen? Do I have a purely physical health issue or somethinh? Or do people with mental issues/dissociation get this as well?
14 posts and 1 images submitted.
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The CIA/FBI has targeted you. You know too much or asked the wrong questions.

You can block the directed subsonic sound devices and microwave radiation they're using to scramble your thoughts by putting insulating aluminum drapes over your windows and wearing sound canceling headphones. Don't drink the tap water unless you run it through a reverse osmosis filter, they've probably already gotten into it.
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>>8120619
The tap water part is actually good advice because the water here is shit, so thanks for the tip, but the rest is a shitpost.

How did your train of thought got you from brain fog to paranoid schizophrenia?
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>>8120604
Most likely is related to lifestyle or envirement. The obvious culprits are lack of good quality sleep, incorrect glasses or contact strength, staying inside too much and not looking at far away objects enough, nutrition, social lifestyle or lack there of producing anxiety and a whole host of other stuff.

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What is /sci/'s opinion on Cryonics? (better known as cryogenics, even though they're not the same thing).

Defined somewhat as "The practice or technique of deep-freezing the bodies of people who have just died, in thehope thatscientificadvancesmay allow them to be revivedin thefuture."
13 posts and 2 images submitted.
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>>8120602
when u freeze some old guy and unfreeze some old guy he's still old af when u unfreeze him u better get froze when ur young and taut chop chop
>>
Have they ever successfully thawed out mammals before?
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>>8120736
I think they did something with a dog at one point.

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It's over guys, born too soon.
http://www.dailymail.co.uk/sciencetech/article-3000524/I-no-way-reaching-Mars-five-decades-Expert-says-Nasa-s-plan-2030s-not-feasible-moon-instead.html
26 posts and 3 images submitted.
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>>8120588
We could go to mars now. SpaceX's rocket landing technology makes it possible.

The only thing keeping us from doing it is the lack of money and will.

thankfully Musk has both.
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>>8120588
See >>8117199
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>>8120588
Ah the DailyMail, the world's most untrustworthy news source.

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how do globe model shills explain this?

https://www.youtube.com/watch?v=tJR6HVMDgDQ
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>>8120562
we cant. we got cucked
>>
why does the scientific community suppress so much of this evidence of a flat earth?

https://www.youtube.com/watch?v=xY-2dVGD-DM

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>no humans to Mars or Moon in my lifetime
>we must wait until at least the late 2030s, no promises
>we don't need a Europa lander
>we need to focus on international cooperation
>*requests less funding for the planetary science budget than congress is offering*

Is this man the worst administrator NASA has ever had?
42 posts and 4 images submitted.
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>>8120495
It's gonna happen they are building the rocket and spaceship
As for the Europa business yes he was uninterested in Europa but Congress forced him to add a lander so there will be a lander anyway.
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>>8120508
I doubt the SLS will even fly once
SpaceX will be going full speed ahead on their big rocket
Maybe Blue Origin announces THEIR rocket...
And then the SLS will be left sitting there capable of only 1 launch every 2 years, costing 5 billion each....
>>
Yes. What a waste of 8 years.

The only good thing to come out has been commercial crew/cargo and Elon Musk will soon make NASA irrelevant.

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Fuck Engineering Math Courses
"Solve the two variable DE"
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>>8120381
4 hours of my life
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>>8120383
Gone
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>>8120386
Forever, for one problem

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How can we forestall the breakdown of the neurons in our brains? How can we escape the inevitable closure, stagnancy, or infinitely accelerating expansion of the universe?
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Death and destruction are beautiful things because
1. without things going away, time with them now wouldn't be as precious
2. coming to terms with impermanence is an experience i wouldn't ever want to take away from someone else; i used to think i'd never come to respect it, even promoting transhumanism [no, not that trans] with religious fervor; in the end i saw that all things, including the bad [and the good] must come to an end, and there is beauty it in... you don't see it until you get sick of the bad and wish the good to rest [with the rest of resting existance]
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>>8120388
Death and destruction is nice when it's the death and destruction of things that would lead to your own death and destruction, otherwise, it's to be avoided.

The first is a tired point.

It's sour grapes. Living forever seems unlikely, so people make up ways in which living temporarily is better. I'd bet they'd forget their arguments were the grapes ever to fall.

Better to be like Durandal or Roy Batty. What fun they had trying to escape death!
>>
I don't know, we have a lot of universes and big bangs and heat deaths to figure that out.

sup /sci/ quick question

Say the space elavator was built

The rope leading all the way down to the ground was cut and only 1 man is holding it

Since the station in orbit is in a friction less, 0-gravity Newtonian environment would it not be feasible to begin pulling on the rope eventually causing the station to be dragged back down into earth, de-orbiting it and causing it to burn up in atmosphere?
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>>8120344
The cord is under an ungodly amount of tension. Cutting it at the bottom makes it fly away with the force of a thousand suns
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>space elevator
>rope
>0 gravity Newtonian (kek) environment
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>>8120344
>Since the station in orbit is in a friction less, 0-gravity Newtonian environment

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People talk about automation all the time,
but how many of the current most common jobs could really realistically be replaced by automation in like a decade?

http://www.ranker.com/list/most-common-jobs-in-america/american-jobs
17 posts and 2 images submitted.
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1
Retail salespersons
# Employed: 4,155,190
2
Cashiers
# Employed: 3,354,170
3
Office clerks
# Employed: 2,789,590
4
Combined food preparation and serving workers
# Employed: 2,692,170
5
Registered nurses
6
Waiters and waitresses
# Employed: 2,244,480
7
Customer service representatives
# Employed: 2,146,120
8
Janitors and cleaners
# Employed: 2,058,610
9
Freight, stock, and hand material mover laborers
# Employed: 2,024,180
10
Secretaries and administrative assistants
# Employed: 1,841,020
11
Stock clerks and order fillers
# Employed: 1,795,970
12
General and operation managers
# Employed: 1,708,080
13
Bookkeeping, accounting, and auditing clerks
# Employed: 1,675,250
14
Elementary school teachers
# Employed: 1,485,600
15
Heavy and tractor-trailer truck drivers
# Employed: 1,466,740
16
Nursing aides, orderlies, and attendants
# Employed: 1,451,090
17
Wholesale and manufacturing sales representatives
# Employed: 1,367,210
18
First-line supervisors of office and administrative support workers
# Employed: 1,359,950
19
Teacher assistants
# Employed: 1,249,380
20
Bus and truck mechanics and diesel engine specialists
# Employed: 1,222,770
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>>8120339
Cashiers can go for sure. I've been using the self check-out aisles ever since they introduced them back in the 90's. Fuck people looking at my groceries.
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>>8120348
I'd probably say:
2
depends on the def. of 4
9
The others the appeal is the human component or the skill specialization might not be realistic (i.e. janitors, you could get a floor sweeper but random messes/hazards you'd need someone on the job).

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What is the probability of technology singularity being made in 50 years?
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>>8120308
0
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>>8120315
Explain why you think that?
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>>8120315
50/50

It either happens, or it doesn't.

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Since /x/ is full of retards that believe in reptilians more than extraterrestrial life, I'll post this here. What would you do if we were contacted by sentient extraterrestrial life? How would the human race react? Would we send a diplomat to communicate with them and if so, who? Bonus points for sound and reasonable explanations
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Whats the scenario and context on how we meet them ?
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>>8119994
ETCs almost certainly do not exist
>>
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>>8119994
We were already contacted, senpai.

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