Archived threads in /sci/ - Science & Math - 1443. page

>I'm smart but lazy ;_;

>>8289195
i'm not smart but i would be capable of finishing all of the projects i started
i just dont feel any kind of drive to do so
nor for anything else really

Same problem. No solution yet. :(

>>8289177
Linear deceleration? Ignore effects of friction, aerodynamics etc.?

>>8289177
>stops in 0.3km
>how long does it take the car to stop?

I'd say 9292,4km

>>8289186
>Ignore effects of friction, aerodynamics etc.?
>implying any of that matters

>>8289096
take your number N, divide by 8. Then either round up or down depending on if you want the remainder to trigger the random point application. Whatever you do, you end up with a new number call it X as your answer.

Assuming you want to have equal chance of either randomly adding or subtracting, you then need to call a function that uses an actual RNG and set it up to return one of two values (depends on the program language you use), 1 or -1. Do this X number of times and sum the results, and add this sum to N.

You cant write an explicit formula for this, as it requires randomness. You can write a formula for the expectation value. Look into binomial distributions for a start.

>>8289106

Thanks. That was very helpful.

>no explicit formula

I guess it's pretty much as I expected.

>>8289161
There is undoubtably mathematical notation for random values and functions, but again, you wouldnt be able to solve it explicitly.

Most people just write the problem down in the form of a computer function.

The cost of getting the materials there
The cost of keeping it supplied
Radiation

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>>8289058
Not enough funding and waste of money.

Think of it this way:

Imagine you are king in ancient Rome. Lets say your kingdom is in the brink of war and all you technology is powered by water wheels.

As king, you can funnel you tax payers money to build a jet that will fly to the stars but the jet will be powered by a water wheel. You call your best engineers and they say it can be done but will cost 10^100 dollars.

On the other hand you can channel those resources into building an army and conquering more land and creating more jobs for a mere $2 trillion dollars.

Although humanity wont advance,Taxpayers will be happy since they will see results faster.

Shit, this story is too long and I have too much to say about this about game theory, psychology, and the trade-off in waiting for technology to improve but it 9:23 A.M so I don't feel like typing an essay soooo...which sounds like the better idea so far?

>>8289058
Why to build all that stuff over there if we can have the same here on earth?
>but the atmosphere
Put it in orbit like Hubble telescope
And i want nasa going back to the moon but perhaps we should find another excuse.

>>8288987
use integration by parts and good luck
>I'll give you the first step; set u equal to the inverse trigonometric function, and let dv equal to the differential

>>8288987
try substituting x with tan^2 theta

>>8288987
(1-x)/(1+x) with arctg looks very familiar to me.

Just look up your books m8, it obviously look easy

basic equipment you'll need:
frost-free freezer
centrifuge
glassware/plasticware (petri dishes, erlenmeyers, graduated cylinders)
pressure cooker (cause i know you ain't buying an autoclave)
some basic odds and ends, see below
scale
legal necessities
and finally, chemicals

for the centrifuge you need at least a microfuge, check ebay. you might be able to make do for a while with one of those weird power drill attachments but trust me, if you do this a lot you'll want to get a microfuge. and you'll probably have to order commercial competent cells, because you won't have a floor centrifuge so there's no way you're making your own.

a kitchen scale that can do tenths of a gram reliably will be enough for most of your use cases, although if you ever have to measure out chemicals that you need milligram scale of, WHEW.

odds and ends - like an alcohol burner or a bunsen burner hooked up to a gas tank, forceps, scrapers/spatulas, weighboats, something to spread bacteria with,

legal necessities - if you're actually setting up a home lab you need to look into regulations near you to make sure you don't end up royally buttfucked by the police or the fire department. chemical waste disposal, biohazard disposal, proper chemical inventory and storage, proper chemical labeling, fire safety systems, evacuation and safety plans. this is overkill if you're just doing this once or twice but seriously, you will get REAMED if a fire ever breaks out and the fire department comes in and sees all your shit and you're not by-the-book

chemicals, you probably won't be able to order anything complicated from the major chemical suppliers but for most of the chemicals you need for basic molbio, you can just get freely as a regular person if you're creative and willing to put up with impurities. learn the quick and dirty DNA prep methods.

and finally, basic cells and plasmids. just bribe a grad student with some beer or something.

>>8289014
I live in south america, I don't need to be scared of legal necessities really, if I get caught I'll just let 100 dollar slide and move to a different city or country.

>>8288984
Some materials and reagents would be impossible to obtain through legal means. Even for something harmless like DNA oligos and plasmids, all suppliers I know of require you to be part of a credited institute. If someone gets wind of what you are doing, prepare to get your house raided and suspected of bio-terrorism.

The financial cost should not be underestimated, because some big costs are unavoidable if you want to do more than just cloning (such as protein purification). Assuming you just stick to making synthetic bacteria genomes, it will still be costly.

You will require time and patience, because even in state of the art labs biology doesn't work and/or things get contaminated.

Consider exactly what the purpose of such an endeavor would be. What do you want to do and why? If you have no clear goal then its all a bit silly honestly. To have a clear goal you need ideas of what could be cool, and to do that requires reading of the literature. This is even more time you must dedicate.

I would recommend offering to intern at some mol bio lab (if any allow that sort of thing) before you commit. This will give you an idea of what is needed, jow much time and frustration some things take, etc.

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Will this space ship design work? Why not?

>>8288843
I'll pay you fifty dollars for one.

>>8288843
I don't understand what you're trying to say

>>8288730
Connections are everything anon.

>>8288730

>wishing to receive employment in your field when there's (maybe?!) a STEM glut

>not simply studying something because you actually like it for its own sake and would literaly do it for free because you like it

Here, once again, my actual-love-of-math autism wins. Get fucked in whatever it is that you had hoped to do OP, even if that is pure math. :^}

>>8288730

>12k starting
>any service job I want

>>8288632
tfw no [math]F_1[/math]

>>8288742
No [math] F_1 [/math] allowed

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Tfw no Hodge Theaters to do geometry kino in.

origin of the universe

>>8288477
god's existence

>>8288497

>scientific problem
> god

>>8288409
Because mathematics itself is not an empirical discipline

>>8288409
>scientifically/logically
you're speaking about the two as if they were synonymous

>>8288481
Becuase they are!

Would be interested too

Third

Quattro.

>>8288365
>Awesome prank Leto.
Reminds me of https://www.youtube.com/watch?v=--TOytrtjuQ

>"hey say a bunch of crazy zany shit so we can put it in the directors cut on DVD release so it seems like shooting this shitty film was so fun and awesome :)"

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>>8288386

>>8288360
9

>>8288360
9

>>8288360
No idea. Why don't you learn how to write an equation?

astronomy is pretty much the gayest """""science"""""

>>8288296
Why does Venus spin so slow and backwards

>>8288359
because gay planet