Archived threads in /sci/ - Science & Math - 1984. page

>>7784315
Chemical engineers don't use much chemistry. A more correct term for us would be "tube engineers."

>>7784340
Why do you say that?

>>7784341
The tube part was a bit of an exaggeration, but we really don't use a whole lot of chemistry (depending on what exactly you do, this will vary). Most of the time we work with flow rates of things, thermodynamics, reactor operations and all sorts of equilibrium stuff. The majority of us don't go anywhere near things like organic chemistry.

A cup of hot water moves at the same speed as a cup of cold water, 0 m/s.

>>7784203
Temperature is a measurement of the vibration of atoms, thus gradually raising the temperature of liquid water will eventually cause the molecules to vibrate so quickly they change state into gas.

>>7784877
even under pressure?

>>7784201
>>7734126

>>7784201
go to bookzz.org and download texts for free

>>7784201
>Would it be a good idea to purchase textbooks that aid in the subject area or should I just focus on my current schooling?
Focus on your schooling. Make sure you're really solid on the stuff that's going to matter to you as a MechE: calculus & physics.

If you've got that down focus on English and public speaking. Why English? Because if you can't stand up in front of a roomful of coworkers and communicate your ideas clearly or write a clear engineering specification, you are fucked as a professional. Seriously, majorly fucked.

> If I do get the textbooks, please recommend ones that aren't insanely expensive.
Ain't no such thang. All current textbooks are insanely expensive. Pirate them off the internet.

And, yeah, the /adv/ board is that way. ->
GTFO.

>>7784195
Tensor Calc
Smooth Manifolds
Riemannian Geometry

Also being good at working with PDEs is useful considering almost everything you study in GR revolves around EFEs and their solutions.

light goes woo when gravity goes woooo and then your get compressed like wo and then you throw a baseball out of a car like weee

Why would you waste time on that? In general relativity gravity doesn't change from the Newton's law to bended space. It is both.

>>7784104
Why do people get their nose pierced? It looks awful and labels you as trashy.

>>7784104
who is this fluid druid?

>>7784112
I thinks he just has a grain.

>>7784104
>shit as fuck at engineering

>not knowing that engineering is an umbrella term
>not specifying in what engineering people are shit
>not specifying what you mean by people being shit in engineering

You said nothing in your post. Literally you conveyed no message at all.

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I thought we were just leaving an ice age?

>>7784068
Bro, this is not a good thing. This shows that the Earth is gonna die, without the ability for it to renew itself, we're fucked either way.

Good, fuck humanity as a species, greed and corruption is so far beyond saving that an extinction level event is the only way to make things right

>>7784051
Stupid faggot. You take the powers of the number, say 2 and you add the digits.
1, 2, 4, 8, 16= 1+6= 7 for the number 2.

I discovered this literally 4 years ago.
I've also found a proof that in base N, numbers containing dividers of N-1 are recurring
For 3:
> 1 3 9 9 9 9
For 6 (it contains 3 as a divider)
> 1 6 9 9 9 9
And this also works in every other basis.

>>7784100
By the way, the only interesting sequences are those of primes.
For example 19 will give 1, 8, 8 recurring.

>>7784100
>You take the powers of the number, say 2 and you add the digits.
>in base N, numbers containing dividers of N-1 are recurring

Not deep enough, but close. Overall, you don't understand how numbers work.
Good luck.

>>7784043
>chemical
Anything goes. Even if the planet is covered in hydrazine, that'd be a problem, but a solvable problem.

>gravitational
Literally anything below ~2-3 g's works great.

>geological

>etc
it's highly desirable for the environment to have a surface pressure below 10 bar, temperature below 60C (if there's atmosphere), and not contain a bath or liquid, gas and vapor corrosive or toxic matter.

>>7784057
Yeah that makes sense, thanks.

>>7784057

I'd say even 1.8Gs is still too high. It might work while you're in the spin thing NASA has, but you'd probably have a heart attack if you did anything physical because your heart now has to work much harder to pump the blood around your body.

>>7784042
Look up dimensional analysis

>>7784042
T=1/f: time from peak to peak
λ: distance from peak to peak
v: speed of peaks.

If a peak goes a distance of λ in time T then v= λ/T = λf

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I don't study condensed matter in particular, but I have experience in a lab that has done some incredible research in recent years, and I'm more or less familiar with the theory. I attended the Prospects in Theoretical Physics lectures held by Princeton and IAS in 2015, which was on quantum matter.
https://static.ias.edu/pitp/2015//home.html

Topological band theory is a HUGE development in condensed matter, and the kind of materials that are being created (which host novel properties) could prove very very useful to advanced electronic systems. I really am unable to say if developments in this field will yield a new material that will completely change the electronics and computing industries, or even affect them slightly. I do know that it's incredibly interesting physics though, and that should be enough to convince a researcher that condensed matter is worth studying.

It will undoubtedly bear more relevance than high energy physics, if that's what you're asking.


If you've completed your undergraduate coursework on quantum mechanics, check out the book in the picture. It's the first stepping stone.

>>7783996
What are you looking for?

>>7783997
Maybe a big cheat sheet with equations or diagrams. The more EE related the better.

>>7784007
though it doesn't have to be strictly that, I'm all for suggestions.

>>7783990
Usually not in intro courses.

>>7783965
>does peer review really work

Depends. When different labs around the work beforehand agree to all perform the same experiments for the sake of truth then it works.

If you do something on your own and publish then I doubt anyone would waste their time checking your results, much less replicating the experiment.

There is no glory if you are not the first, so if you are the only 'first' no one will give a shit about reviewing your thing. But if various labs agree to all share 'first' status beforehand then progress will follow.

Just ask Shininja Mochizooka, yokozuna of math of the japanese imperial academy of pure mathematics.

>>7783965
>Does pear review really work?

Idk man. I always thoroughly review my pears before I buy them at the grocery store, but sometimes I still end up with ones with mushy brown spots on them under the skin. Not a great procedure, 5/10.

>>7783965

I think that its mainly a problem in social sciences and maybe medicine.

I'm a PhD graduate student in chemistry and I reproduce other people's research constantly. For example: I read a paper with a cool molecule that I feel like attaching to one of my molecules. I follow their procedure as they wrote it, and if I don't get what they got, then something is really wrong and immediately noticeable.

>>7783935
Best advise I can give is to be curious, interested and not afraid to ask questions that might seem to have obvious answers.

>>7783935

If your IQ is less than two standard deviations above the mean, don't even think about it.

Pomodoro technique has worked great for me. I recommend it.

open chemdraw and drop a few templates

also do your own fucking homework