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#5114 - polarpulse
Reply 0
(11/25/2015) [-]
remember kids you can drink lava but only once
#5112 - tsoper
Reply 0
(11/25/2015) [-]
I have a question thats been bothering me.

What would happen if you expose sperm to extreme amounts of gamma rays and then put it inside a womans vagina to see if it will fertilize.

Will it not fertilize
Normal effect as any other sperm
or really cool deformed mutant baby?
#5138 to #5112 - soundofwinter
Reply 0
(12/07/2015) [-]
You might give the woman some form of cancer...and all of the sperm cells would likely be dead
#5113 to #5112 - minutes
Reply +2
(11/25/2015) [-]
Usually levels of radiation "kill" sperm cells. I remember how my science teacher in high school told me that she wasn't allowed in some midly contaminated area but guys were free to go cause guys just create new sperm cells after each ejacultation but womens cells don't regenerate.
#5111 - polarpulse
Reply 0
(11/23/2015) [-]
www.youtube.com/watch?v=YvGlBFjxvgY

vsauce 3 released something go watch it
#5093 - mobilebull ONLINE
Reply 0
(11/19/2015) [-]
rainbowrush. how do i make a robot
#5118 to #5093 - atoaster
Reply 0
(11/29/2015) [-]
Buy an Arduino, get servos, get all the stuff, program it, run it.

Is this an actual project?
#5117 to #5093 - clers
Reply 0
(11/28/2015) [-]
It really depends on the type of robot you want to build. But in general i'd reccomend picking up basic RC stuff to build your first robot's electronics. I suppose it really doesn't matter what type of material you use for armor/base as long as it suits your purposes. In general you should go through a process of research->design->build. My rule of thumb is 1 hour of research is worth 4 hours of design and 1 hour of design is worth 4 hours of building. Feel free to send me a message with any specifics of your robot, or questions.
#5097 to #5093 - rainbowrush
Reply 0
(11/19/2015) [-]
There many different ways to make a robot. The body should be very basic. You need a skeleton and "muscles". After that you need code, choose any language you like. Write simple algorithms (if else) and you're done.
#5101 to #5097 - nought
Reply 0
(11/20/2015) [-]
>algorithms
>if else
it's like we're in the 50s again
#5104 to #5101 - rainbowrush
Reply 0
(11/20/2015) [-]
That's the jist of it, though. The funny thing is that the higher you go in maths, the more this is true.
#5107 to #5104 - nought
Reply 0
(11/21/2015) [-]
the higher you go in algorithms, the more bullshit symbols they use
#5098 to #5097 - mobilebull ONLINE
Reply 0
(11/19/2015) [-]
**mobilebull used "*roll picture*"**
**mobilebull rolled image** sweet, and can it suck your cock?
#5099 to #5098 - rainbowrush
Reply +1
(11/19/2015) [-]
Depends a bit on design and code, but I don't see why not
#5092 - polarpulse
Reply 0
(11/19/2015) [-]
Don't forget you can overdose on dihydrogen monoxide
#5147 to #5092 - Vanpy
Reply +1
(12/14/2015) [-]
No to mention it's highly addictive and able to make your body build a dependence off of it.
#5100 to #5092 - paddypancake
Reply 0
(11/19/2015) [-]
Pretty sure diprotium monoxide is alot worse.
#5096 to #5092 - smartythechicken
Reply 0
(11/19/2015) [-]
that shit is dangerous.
yu heard they give dihydrogen monoxide to puppies? fucked up...
#5088 - Vanpy
Reply 0
(11/18/2015) [-]
Does anyone know anything about ro-vibrational spectroscopy, and would be willing to give me a crash course?
#5108 to #5088 - schnizel
Reply 0
(11/22/2015) [-]
I can crash yo anus
#5109 to #5108 - Vanpy
Reply 0
(11/23/2015) [-]
Nyyyeeeeeaaasssss. Fuck me in the ass and call me Suzy
#5110 to #5109 - schnizel
Reply 0
(11/23/2015) [-]
nyes
#5080 - leightonsolomon
Reply 0
(11/17/2015) [-]
Sharing something I made a while back. Thought you guys might appreciate it.
Dream of Tomorrow - L13S
#5079 - PopcornViking
Reply 0
(11/16/2015) [-]
Anyone good at psych?
#5135 to #5079 - nimba
Reply +1
(12/06/2015) [-]
I can levitate objects up to 5kg
#5076 - rainbowrush
Reply +1
(11/15/2015) [-]
Any chemists here, particularly those with focus on developing material?

I have an idea for spray-on gloves. Purpose is to keep your hands warmer while not restricting your actions. One very thin layer to keep your hands warm and thus more flexible, while thin enough to get benefit from being more flexible. Think something for typing on a keyboard in a room -5C, or using a tablet outside during winter. How would I make it.
#5085 to #5076 - Vanpy
Reply 0
(11/18/2015) [-]
So, here's some theory behind this. Just be in note, if I'm wrong anywhere fix me, because I'm not perfect. Currently taking undergrad in materials and nanoscience.

In order for something to be spray on, it must go from the aerosol state to a solid state. (Well, here at least. otherwise you'd have your glove sliding off.) Just like those pan cake no stick things you spray onto pans, once you spray that on it becomes a liquid state (which is lower in energy), meaning in order for it to stay that way the pressure that the spray bottle puts onto the content inside would have to be tremendously huge. Big enough for it to remain in a gas phase. To summarize this part: your can has to be really fucking powerful in order to compress molecules which are naturally solids into gas.

An addition: In order for the material to actually sustain stress, the amount of time it takes to solidify is also a factor. If it solidifies quickly there'll be more defects in the material, making it really shitty. There's a equation which models this, i forgot how it goes but you can search it up.

Again correct me if I'm wrong, it's 6 am and I still haven't slept.

The second part that I said that it should be a thermal insulator. If it were to be a thermal insulator that would mean its intermolecular vibrations are kept at a minimum. What that means is that the molecules that vibrate due to heat doesn't make the adjacent molecules vibrate as well. What does this really well would be polymers or ceramics. Ceramics wouldn't work because it's super frickin' brittle, so you're stuck with polymers...which is organic chem. Did you know that my organic chem class apparantely has a fail rate of 30%? anyways, just thought that was a interesting note to bring up, because organic chem's a bitch.

So, if I were you I'd do more research into aerogels (thermal insulating and super light) as well as organometallic chemistry (a sub branch of orgo)
#5083 to #5076 - Vanpy
Reply 0
(11/18/2015) [-]
Well here's the question for you. Will it be permeable? Because in order for it to be spray on it will have to be aerosol which then condenses into a solid, (high energy to low energy) so that means you would have to spray so much on that the outside would stay at low energy while the inside (since it's heated by your hand) would stay at a liquid state. Now, unless there's a way to make it so that it forms another type of lattice structure which it wouldn't form in gas or liquid state spontaneously, I don't think there's a way to do that. One possibility would be letting the spray on glove react with something on your skin to coat your skin in a material that wouldn't melt off or freeze completely, but that's just an idea. There's more chemistry behind this both in contexts of finding a substance that can change states and remain at the changes state and getting that substance to be a thermal insulator.



TLR You need a substance that can react when you want it to (and stay as a product) and also be a thermal insulator.

#5078 to #5076 - drastronomy
Reply +1
(11/15/2015) [-]
The problem is that no material can hold heat that well without being thick or inflexible.
#5084 to #5078 - rainbowrush
Reply 0
(11/18/2015) [-]
It's not meant to do anything extreme. Just protect your hands while working outside during winter. Right now I use no gloves in -5 degrees if I work. I don't expect thin spray on gloves to be as good as proper gloves (yet). Also, you would obviously have to develop a new material for this to work, which is why it's hard.
#5082 to #5078 - zonetransferrer
Reply 0
(11/17/2015) [-]
i support your comment, i think that even with material with super low heat conductivity, layer that thin just wouldn't work. For question, "how would i make it", by polymerization nigga. Best way to go is to find a mot suitable compromise between thickness and heat conduction, 3 layer gloves, where one layer lays up on your hand, second makes the heat hold in and the last, third layer would be on the outside. Gloves like these already exist ( i think )
#5077 to #5076 - atoaster
Reply 0
(11/15/2015) [-]
You might want to talk to a material engineer.
#5071 - majormayor
Reply 0
(11/14/2015) [-]
I wonder.
#5086 to #5071 - Vanpy
Reply +1
(11/18/2015) [-]
A star is classified by something that emits light. Ice does not emit light.

The closest you'll get would be a comet crashing into a star.

OH, and to explain the blue sun, it's because of wavelegnths of the sun. The blue sun would actually be hotter than the red sun because UV light has more energy than infrared. (UV wavelegnths are much shorter than infrared, thus higher frequency, thus more energy)
#5094 to #5086 - mrwalkerfour
Reply 0
(11/19/2015) [-]
well to make OPs question more scientific

hypotheitcally speaking, what would happen if a star, and a sphere of ice of equal mass somehow collided, and the ice hadnt degenerated into water vapour long before getting close to the star.
#5103 to #5094 - Vanpy
Reply 0
(11/20/2015) [-]
Well, let's think about the chemistry. Since the sun's run by nuclear fusion and it's the fusion between two hydrogen atoms, adding more hydrogen atoms to it will increase the fuel supply wouldn't it? (Since at the ice will eventually vaporize)

On the other hand, the sun's nuclear fusion is due to its gravity (I think, not too sure), so to have another gravity source would make the current gravitational source on the sun weaker. (Since |Fg| = (MmG/r^2). Or approximately at least.) So to answer it with this in mind, then as r-->0, |Fg|---> infinity, which just means that it'll become one matter, in which case it would have a whole 'nother gravitational pull. This might make it so that the core of the fusion would get shifted to the meeting point of the two masses.

Now, another perspective to think about is this. What's ice? It's just solidified water. What're rocks? It's just solid minerals; minerals that are also made of different elements. What would happen if you throw a rock into the sun? It'll just be part of the sun. What if you throw the rock the size of the sun into the sun? It'll become part of the sun (melted) and since the nuclear fusion activation energy is based on gravity, it would have even more gravity. (Since its mass just doubled) This could result in one of two things:
1. Shift of the centre of mass
2. Fusion stops and everything becomes dead. No more light since no more fusion.
#5102 to #5094 - xsnowshark
Reply 0
(11/20/2015) [-]
If I did my math right, and you only account for half of the sun's total radiative energy output (since the whole sun will not transfer heat to the ice), it would take 70722 years to boil a mass of ice (at -10C) equal to the mass of the sun.
#5072 to #5071 - majormayor
Reply -2
(11/14/2015) [-]
Oh yeah and keep on mind the lava sun is 1000 degrees Celsius and the ice sun is -1000 degrees Celsius.
#5095 to #5072 - mrwalkerfour
Reply 0
(11/19/2015) [-]
the ice sun would heat up, melt then vapourised, the heat of the star would melt it long before colliding,

look at our planet, ice melts into liquid water from this distance from the sun, it even becomes vapour, so an "ice sun" wouldnt get anywhere near the sun
#5075 to #5072 - drastronomy
Reply +2
(11/14/2015) [-]
I think you fucked up

minimum temperature is -273 celcius or something
#5074 to #5072 - thumbfortrump
Reply +3
(11/14/2015) [-]
> -1000 degrees celcius
#5069 - asotil
Reply 0
(11/13/2015) [-]
Math tests at 7:30 am should be illegal

Take a guess how I got 0 from 64-46

4 times I did this
4 times I told myself there's no way I can be wrong, the math is sound it's the tests fault for not having the right answer

I want to fucking die right now but I'm too close to never having to take English again
#5068 - songemot
Reply 0
(11/13/2015) [-]
Ay, y'all know anything about bugs? What's this thing called? It just showed up in the kitchen, and I've never seen one before.
#5081 to #5068 - smartythechicken
Reply +2
(11/17/2015) [-]
i think the biologically correct name for it is "OH FUCK JESUS CHRIST KILL IT! KILL IT!"
#5067 - caette
Reply -1
(11/13/2015) [-]
Is it just a coincidence that religion comes immediately before science in ABC order?
#5087 to #5067 - Vanpy
Reply +1
(11/18/2015) [-]
Yes, I think it is coincidence.

Unless you're god, and you don't roll dice.
#5064 - stoneshit
Reply 0
(11/11/2015) [-]
We all know you get salts when mixing acids and alkalis. I've mixed citric acid with sodium bicarbonate lemon acid and baking soda and heated it all up until all left was this white substance. Now it smells like powdered sugar, but it is the most foul thing when heated up without water. At first it smelled like mentol, kinda nice, but near the end it transformed into a mixture of lost souls and despair. It doesn't melt, it just kinda burns up into black remains. It violently melts in water, and I really mean violently. When it's dropped in water, it quickly spreads across the surface and the heavier part of the salt forms bubbles and finally melts down completely.


TL;DR what's the name of salt synthesized by mixing citric acid and sodium bicarbonate
#5105 to #5064 - paddypancake
Reply 0
(11/20/2015) [-]
If everything went properly (and this is all internet research, i barely know a thing about chemistry) what you got is
3Na 3H 3C 3O3 + C6H8O7
3Na 11H 9C 16O
C6H5Na3O7 + 3CO2 + 3H20
en.wikipedia.org/wiki/Trisodium_citrate

#5106 to #5105 - stoneshit
Reply 0
(11/20/2015) [-]
Thank you m8, 'bout time someone answered
#5060 - lecorbi
Reply 0
(11/11/2015) [-]
Ok guys, I need some help.

Found this neon sign on the street next to a metal box that probably was connected to the neon sign, it was full of some other wires, some electronic shit and connected to some other lamps and I want to do what needs to be done to hopefully make this thing work again. It looks 100% but i'm a half retard when it's electric shit, so i'm asking for help.
Cont in the comments cause I need to show pictures to help you guys to help me
#5062 to #5060 - lecorbi
Reply 0
(11/11/2015) [-]
firstly, is this diagram explaining it right? All the diagrams I found tell me I should use a transformer. What the fuck is a transformer and what would happen If I just plug the thing (like the diagram shows) but without the transformer to a 110V socket?
Also, What does 12V, control and GND means?
#5063 to #5062 - lecorbi
Reply +2
(11/11/2015) [-]
here's a picture of the back. As the diagrams tells, it should look something like this
#5061 to #5060 - lecorbi
0
has deleted their comment [-]
#5059 - scowler
Reply 0
(11/10/2015) [-]
Alright guys, I need a crash course in High School Algebra and Geometry. At least gimme an index sheet explain what symbols mean what. Maybe some sample sheets I can copy down to a piece of Graph Paper?

'KAYTHANKSBYESEEYOUINTHEMORNING!!!
#5065 to #5059 - asotil
Reply +1
(11/12/2015) [-]
#5066 to #5065 - scowler
Reply 0
(11/12/2015) [-]
Nice and bland, no pictures of smiling zombies.

PERFECT.
#5058 - nerfhead
Reply 0
(11/10/2015) [-]
anyone want to talk about pics that some say are of time travelers? like the charlie chaplin one where the person seems to be talking on a cell phone even though there wouldnt be any reception then
#5070 to #5058 - zonetransferrer
Reply +1
(11/13/2015) [-]
hmmmm this is very interesting, maybe you should go and ask at /autism/ i am sure they will share same interests
#5073 to #5070 - nerfhead
Reply 0
(11/14/2015) [-]
im not saying the pic is of an actual time traveler. i just wanted to talk about how theories can or cant apply
#5053 - russianxbear
Reply 0
(11/09/2015) [-]
In a 2 dimensional plane, you can take lines and form them in a way that you can perceive it when you look at it in a 3rd dimensional self to be a 3 d object (ex. Drawing a 4 sided pyramid on a sheet of paper)

If this is true, can there be 4 dimensional objects in our universe that we merely can't perceive it ourselves?
#5057 to #5053 - smudgiemuffins
Reply +2
(11/10/2015) [-]
The mathematical concept you're thinking of is a projection. By the nature of the way light reflects and the way our eyes pick it up, we're really good at interrupting a particular projection of 3D objects onto planes. In computer graphics, it would be called a perspective projection. However, understand that information is lost in that particular projection. For example, when you see a cube you can't see the faces behind the cube. It is perfectly valid to project a 4-dimensional solid onto a place. When you see those weird rotating tesseract gifs, that's what's being done. But you're not seeing the "whole thing" so to speak. In fact, you can project objects in any space onto another space in any way you'd like.

In mathy terms, if you're familiar with the sort of thing, set theory guarantees a bijection between any subsets of R^n and R^m. So you've got a lot of flexibility. It just so happens that certain projections make intuitive graphical sense to us like orthographic projections and perspective projections.

While mathematics allows us to consider spaces any number of dimensions, as far as we can tell, physical space is 3-dimensional. If you want to consider some 4th spatial dimension that light does not interact in purely for the mathematical intrigue, have at it! But in the physical sense, no such evidence of higher spatial dimensions is concrete.
#5054 to #5053 - prycebear
Reply +1
(11/09/2015) [-]
Probably.
They also say that we can see 2 dimensional creatures if they existed but they cant see us but 4th dimensional beings could see us but wouldnt have to announce themselves.
Sorry if im vague im proper fucking tired
#5055 to #5054 - russianxbear
Reply 0
(11/09/2015) [-]
It's okay my bear bro
#5056 to #5055 - prycebear
Reply 0
(11/09/2015) [-]
Sciency bear bros!
#5046 - mysterie
Reply +1
(11/06/2015) [-]
Is anybody here good at decoding ciphers?
#5051 to #5046 - cognosceteipsum ONLINE
Reply 0
(11/09/2015) [-]
Like what
#5050 to #5046 - pinkiesmiles
Reply 0
(11/09/2015) [-]
Like Egyptian hyroglyphics or that Sumerian symbols?
#5049 to #5046 - prycebear
Reply 0
(11/07/2015) [-]
A lil bit, not insane but ok
#5045 - sshare
Reply 0
(11/06/2015) [-]
So do any of you have an essay on a poem you wouldnt mind sharing with me?
#5052 to #5045 - cognosceteipsum ONLINE
Reply 0
(11/09/2015) [-]
This is more like a short artistic non-rhyming text, but here goes
Be you serial killer, ascetic, hedonist, philantrophist or a misanthrope
Death will swallow you whole and you will be no more
Even in time, the atoms you consist of
will be no more.
So why
why persist in follies of murder, honour and shame
when you are mere matter, on a globe, in the middle of nowhere
So why not do what's subjectively good for you and your kin
and do something creative

I made this up right now so it may be ass but it encapsulates my feelings on certain things very well
#5048 to #5045 - haroldsaxon
Reply 0
(11/07/2015) [-]
I can't provide one, sadly. However, I did write one in high school I got top grade on.


If you're fishing for tips, or ways to format I can give you some tips. You want to talk about the poem itself, then pretty directly what it means, followed by deeper meanings, relations, or simply messages, then you want to end with something.


For instance: I wrote about The Tyger by William Blake published in 1794. The poem is about good and evil which is comon of the time period, yada yada. Poem consists of this and that.

In this specific case 2 important points is the change in words in the first and last paragraph. The author changed the word could for dare. The 2nd point was that god created both lamb and tiger.