Archived threads in /sci/ - Science & Math - 514. page
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Nuclear fusion is still decades away from being completely workable, while wind and solar are getting increasingly efficient.
A nuclear fusion reactor will cost a lot, and I mean really a lot . Building one takes decades. When something brakes down, and it will, since it's still prototype, it's going to cost a lot. Very expensive to operate and maintain if something goes wrong.
Current nuclear reactors create nuclear waste, and are incredibly dangerous in case of an accident. These will happen. Uranium mines are very bad. It takes years to build. We can't rely another 30 years on this outdated technology. Another Fukushima will be inevitable. Man makes errors. it is not safe, it is irresponsable, espescially with the terror threat.
Coal energy is done. New energy accord this year. We can't continue down this path. Coal creates lots of smog, lots of pollution, lots of environmental hazards. Down with your life expectancy. Just look at China. It is one fucked up place. Nobody wants to live around a coal plant, but they have no choice.
Gas burns clean. Much less particulates. Much less SO2, NOx. Good energy effiency. Biological waste (human poo) sewer, compost, agricultural waste, can all be biogassed with yeast.
Windturbines are getting cheaper. They provide a lot of jobs. They have a life span of 20+ years. Look at Denmark, Scandinavia. They build the best windturbines in the world, and they export a lot of their energy. Maintenance costs for modern windmills keep getting lower.
Nuclear fusion is decades away, thorium reactors is just fanboy. nuclear fanboy '' muh cool physcis '' so '' advanced '' . Why risk .
Solar is getting better, more efficient and cheaper. They portrude not, they pollute not direct, they are practical, useful and more then 50% of houses can be made energy sustainable Solar will be so cheap and abundant in the future that most others will be become redundant.
Nuclear only for industry.
(sorry for my english)
You are wrong about nuclear fission to be honest
>>7741660
History seems to suggest otherwise
>>7741656
>Nuclear fusion is still decades away from being completely workable, while wind and solar are getting increasingly efficient.
>A nuclear fusion reactor will cost a lot, and I mean really a lot . Building one takes decades. When something brakes down, and it will, since it's still prototype, it's going to cost a lot. Very expensive to operate and maintain if something goes wrong.
You're absolutely right about ITER-style tokamaks or...
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How accurate is Ph.D. comics with respect to actual Ph.D. life? How often does "scooping" happen?
>>7723826
doing a thesis sucks.. you think you are getting paid and that you will revolution science. you wont.
at the end of the first year, you will understand. at the end of the second year, you say ''never again''. at the end of the third, you understand that the writing is a drag and that you should have begun since the first year. you think of quitting.
you do not quit, graduate and then you understand that postdocs are glorified phds and then you have no job if you do not work on a trendy subject,
>>7723826
PhD in Astrophysics here. There's a bit of "lolsotrue" to all PhD Comics.
As your work starts to overlap with other groups, your probability of scoopage increases. I've never been scooped but frankly my work wasn't as high impact as I was hoping. So there's a trade off: 1. work on boring-ish projects no one is doing or cares about or 2. work on interesting things that everyone else is probably trying to solve and risk getting scooped. Find something in between for your graduate work.
>I want to emphasize that light comes in this form—particles. It is very important to know that light behaves like particles, especially for those of you who have gone to school, where you were probably told something about light behaving like waves. I'm telling you the way it /does/ behave—like particles.
>You might say that it's just the photomultiplier that detects light as particles, but no, every instrument that has been designed to be sensitive enough to detect weak light has always ended up discovering...
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well yeah
all particles are condensed waveforms
>>7750106
Sounds like he was specifically saying 'hey you people who think this is a wave, no, it's a particle'
![177e164c5870e27bc039ba261129e475[1].jpg](https://i.imgur.com/VFymchD.jpg "177e164c5870e27bc039ba261129e475[1].jpg")
>>7750126
feynman didn't understand quantum, so I think it's a bit stupid (and retarded) to take his word for whatever he claims.
feynman has always been shit, and will always be.
pic is a reminder that feynman didn't understand shit about what he was saying.
particles are just waveforms.
>young earth creationism
>>7749574
The retards don't hurt you or affect you in any way.
They are like engineers here who will fling shit and circle jerk every thread about everyone else being shit but in reality they have no effect on my incredibly high job prospects.
Just let the retards be. Thats the attitude I take towards engineer. They were just born too stupid to comprehend something higher than 'muh 6000 year old earth' or 'muh applied math'.
>>7749579
They do affect us though. The ignorant drones do whatever they can to stop scientific progress.
>>7749585
But is it working? In the past they had the upper hand but nowadays anyone who is anti-science is immediately labeled uneducated and retarded.
Soon the ones still here will die off.
How would have been, for you, the perfect math or physics lesson in school? Just asking, because i'm gonna be a math and physics teacher soon and want to get some inspiration other than the somehow pretty strange didactics stuff they teach in university. Thanks for your thoughts!
Sorry for my english, it's not my native language.
Oh, sorry: highschool level
For me, I think the most important thing is to always teach some level of understanding and motivation. In math, prove stuff! Don't just teach a technique to solve a textbook problem without explaining why and how it works. Same in Physics. Try to derive everything that you can, don't just throw random equations at them. We make everyone learn these subjects not so that they can find the sin(30) or so they can find the velocity of a falling mass. We teach to help everyone practice their ability to reason, and understand abstract ideas. If you take out the beautiful...
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I would tell the students about interesting problems in the fields of mathematics and physics today. Talk to them about how there is no proof of Goldbach's conjecture or how recently Fermat's Last Theorem was proved.
What are my chances of being an astronaut if I join the Air Force with an engineering education from a top ten school? I also have 20/20 vision, speak Russian, and am decently /fit/
>>7749337
If your only hope of receiving this information is to ask on a meme forum, then your chances are lower than the difference between 1 and 0.999...
There's nothing autistic about your dream. However, it will take the willpower of an autist to accomplish it.
>>7749337
Youd need to make it to being a test pilot.
Air force engineers just do delegated authority requests, maintenance concessions, and fse investigation.
What year you guys think we're gonna have a cure for cancer?
2016
There's better return on investments for pharmaceuticals in developing long-term treatments that aren't cures; same reason we're relatively lacking in varieties of antibiotics.
I have noticed a definite correlation between amount of dairy I consume, and number of pimples I have 3 days later. I had a brief argument with my dermatologist about it, and he had an arrogant tone of finality in his explanation. He concluded that dairy does not affect acne, so I could eat as much as I like (Of course I won't actually do that)
What does it mean when a doctor says "there is no medical evidence" for a claim? Isnt that equivalent to a doctor saying "my colleagues have not put any effort into answering that question"? If there is...
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>>7749183
Aren't dermatologists basically pharma salesmen who would be out of a job if you didn't have skin problems?
>>7749190
>would dermatologists be out of a job if everyone's skin was just fine
no shit anon
"There is no medical evidence" seems pretty self-explanatory to me. If there hasn't been found any kind of relation between consuming dairy and acne, then there is no medical evidence for dairy affecting acne, and that's it. It can't mean that the relation of acne and dairy has been thoroughly studied from EVERY possible angle in EVERY possible situation, but rather that there is no obvious link to be found between the two.
So if you feel sure that consuming dairy makes your acne bad then you probably should avoid dairy products. It can be the...
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>We ran five national experiments with these otherwise-identical female and male candidates, systematically varying their personal attributes and lifestyles in a counterbalanced design. Every time we sent a given slate of candidates to a male faculty member, we sent the same slate with sexes reversed to another male faculty member, as well as sending both slates to two female faculty members. Then we compared the faculty members' rankings to see how hirable each candidate was, overall.
>What we found shocked us....
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>>7749132
>male economists, who were gender neutral in their preferences
Economics confirmed most objective science
Anyway yeah it's almost like when you make it illegal to not hire women they take retarded steps to make sure they're not not hiring women.
>>7749132
Well of course women are preferred because everyone bitches when you don't have a 50:50 ratio which is practically impossible to get.
Anyone here surprised?
how come light behaves as waves rippling off the source if photons are individual particles?
Because light is a little shit that no amount of disciplining can bring into line.
>>7748848
Because photons are ripples themselves. Not little balls.
>>7748848
What is a particle? How can you try and say that photons do not exist as a waveform if you think they are literally balls wibbling around in space
So what do you think about Russia's nuclear fusion reactor?
>>7748688
That floor isnt wet, 27 water molecules does not make anything 'wet'.
There are more on it just from the humidity in the air.
Didn't laught, do I have friends now?
>>7748688
Pics related is rght though, i dont have any friends
H-hold me /sci/
>>7748719
>tfw B.S. in Mathematics
>tfw can't get any job with this degree
>tfw GPA too low to get into any graduate program
>tfw crushed under 80K of student debt
What do I do? I should've just starting working at WALMART after High School instead of self-destructing like this, shouldn't I have?
>>7748663
Yes. Going into a career you're not good at that also has low job prospects is a really bad choice.
>>7748663
Do short courses in programming and/or business. You'll get some white collar/neo blue collar job.
>>7748674
>Do short courses in programming and/or business.
You mean like certificate programs?
How do I activate or deactivate almonds?
>>7748580
Can't I just soak them in phytic acid?
What are activated deactivated almonds?
Activated almonds are a real thing. You soak them in water for 12 hours and then dehydrate them for 24 hours at about 38-40 degrees Celsius.
Apparently, its more digestible when you remove various phytochemicals that prevent your body from receiving the full benefit of the nutrients almonds contain.
well /sci/? what do i say?
>>7748550
Nothing and move on
>>7748559
but that wont help me feel superior
>>7748562
try as hard as you want everyone will know you have a small dick
hey /sci/ can you name a set of vectors that are orthogonal but not perpendicular?
>>7748237
Anything with the zero vector.
>>7748251
thank you
Can you name a function that is continuous everywhere, but differentiable nowhere?
