Archived threads in /sci/ - Science & Math - 438. page
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So wait, when hydrogen fuses to form helium, where do the neutrons come from?
>>7792682
My ass
>>7792682
Does the energy released from the fusion create the neutrons?
>>7792695
don't you mean absorbed? how would it form from energy being released?
how does an electron avoid colliding with the proton given they're opposite charges? this is my current understanding. sorry for the bad handwriting, and knowledge, and understanding. i'm so sorry.
>>7792662
https://en.m.wikipedia.org/wiki/Uncertainty_principle
I'm not a physics major but it seems that it's because of the uncertainty principle.
The product of the standard deviations of position and momentum are greater than or equal to h bar over 2. So the more precise you know the location the less precise you know the momentum. If the electron was in the proton it would have 0 momentum and you would know its position, this is impossible.
It's to do with the wave nature of matter,...
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>>7792698
so it has nothing to do with potential gaps or the pauli exclusion principle? damn i was far off.
it makes sense though, i was aware that position and momentum can't be measured without influencing one another, but i didn't know fourier transforms actually came into play. that's pretty damn fascinating.
>>7792698
>know
The universe doesn't give a fuck about what some mouthbreathing monkey shits know, fuck you and your shitty fucking principle.
Is this a good graphics calculator? If not, can you recommend one under $50 Aussie dollars.
>>7792131
get a used TI-89
>>7792133
Heard Texas are alright. I'll have a gaze at the old eBay
This?
ITT we brag about our GPAs because we're a little insecure about our intelligence.
>>7792041
I finished my master's with a 4.0. It felt awesome until I realized that I was just compensating for finishing my BS with a 3.75.
>>7792041
>sem: 3.2
>cum: 3.5
>depression: increasing
>>7792049
or running away from adulthood
Underrated and obscured by corporatism or overrated by fan boys?
What is up with teslas death ray? That shit is cool, i wish it was real.
>>7792035
>obscured by corporatism
He's not obscure though. There's an SI unit named for him and he's huge in popular culture. He didn't get rich and famous like Edison, but there's only a handful of scientists and engineers who get that kind of success.
There's also over-inflation of his accomplishments. He did not invent DC power. DC power grids existed before he was even born.
>>7792051
Do you think he was smarter than Edison?
Is silicon-based life a legit possibility?
pic unrelated
>>7790908
Not really, silicon ionizes too easily to maintain large covalent systems.
Organic (carbon) chemistry is extremely diverse. Silicon is tetravalent like carbon but doesn't produce such rich chemistry, as far as we know. This limits the complexity of any life-form expected to emerge from silicon chemistry. It might also limit the means by which chemical automata could form under moderate conditions, or abiogenesis.
The Milky Way is about 4600 ppm carbon and 650 ppm silicon, so carbon also wins in abundance. I suppose it's unlikely that the silicon fraction would often be concentrated either.
Probably possible, but unlikely and limited.
Silicon isn't anywhere near as compound-forming like Carbon is. It's been noted that over 90% of the compounds you commonly run across as a living organism, contain Carbon. Carbon's versatility in forming compounds makes it a primary organic element. Combined with Hydrogen, Oxygen and Nitrogen, you end up with a CHON biosphere, probably in all instances where biospheres form.
![maxresdefault[1].jpg](https://i.imgur.com/lWRbtFQ.jpg "maxresdefault[1].jpg")
How clinically-useful is the rectal exam in asymptomatic patients, or as a regular screening tool? The guidelines keep reducing its recommended usage. Have doctors been needlessly fingering people's asses for decades?
>>7789508
>How clinically-useful is the rectal exam in asymptomatic patients
Quite small in asymptomatic younger patients.
In older patients ~50% of rectal cancers can be palpated. Also prostate cancers can be palpated.
>>7789508
>Have doctors been needlessly fingering people's asses for decades?
not needlessly, for pleasure
>>7789508
I'd love for someone to massage my prostate to be honest family
Is there a generic formula for performing a modulus operation on a number that is in base 'n'? If not, what's the best way of performing a modulus on a very large number that is not in base 10?
>>7789303
yes
if its negative, times by -1
>>7789303
That picture is sexy.
More.
Is nuclear power safe yet?
>>7788284
Not unless they pump money into Thorium research
>>7788284
Yes (https://en.wikipedia.org/wiki/Nuclear_power).
In fact, it has been shown that background levels of radiation are lower around nuclear power plants than elsewhere.
/thread
>>7788284
yes
Mods are napping. Post algorithms you've programmed.
More languages the better.
Why would the mods care about algorithms?
Starting off very simple, GCD of two numbers.
Euclid method.
Math enthusiasts welcome, post some hardcore algorithms.
Programming enthusiasts welcome, post some hardcore algorithmic code.
Still keeping it simple, square root function, more python jargon however.
Newtonian method if I'm not mistaken.
The conditional statements [if statements] are there just for error handling, and do not really play a part into the algorithm.
Three things appear to exist: Location, directionality, and speed. Relative motion necessitates the existence of an absolute.
Humans are machines. Inside each of us various particles are moving around, changing their arrangement, being gained, lost. We're on a planet. That planet is rotating. It's also revolving around the sun. The sun and our solar system is being pulled around by nearby systems, which are all moving within the gravity well of the supermassive black hole at the center of the galaxy. The galaxy as a whole is being pulled around by other galaxies....
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I like this idea, but all forces act on both sides, hence making an unmoving object impossible since it would be influenced through the stuff it is influencing
>>7777872
It would need to be in some sort of system that nets out into an equilibrium state, even if only briefly.
the stationary object you're looking for is called the observer.
how do jellyfish live
they have good life and less depression than the average humen i think
they're an amalgamation of a simplified peripheral nervous system with no sign of central cognition or spinal relaying. they have asexual reproductive cycles and are able to fend off adverse aging effects via some sort of DNA enzyme they can produce but we can't which allows for higher amount mitosis before corrupted RNA is displayed. they also have an efficient metabolism given their ambient body temperature regulated in the water with high level of consistency, and have good defense measures with their small hooks which can inject strong neuropathic compounds into...
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>>7792688
okay thanks
Help me out /sci/
>240 tickets to a concert
>Expensive ticket cost 200$/each (x)
>Cheap tickets cost 100$/each (y)
a,
x+y = 240 (1)
b,
200x+100y = 33 000 (2)
How many tickets of x,y is there?
pic obvs not related.
Look up diophantine equations and solve for yourself. You fuck
240 - y equals x. Plug into the second equation. Solve for x. Then solve for y
>>7792676
LMAO
Can anyone solve this ?.
https://www.youtube.com/watch?v=tKe_Hpsl09o
I'm sorry, this is the first time I use 4chan
Do ants have speeds? Are they always standing or running?
i don't think their muscles are capable of anything other than 100%. i've never seen them be slow, and i can't picture a need for it.
Has anyone really been far even as decided to use even go want to do look more like?
>>7792455
I've seen ants going both slow and fast. So yes.
