Archived threads in /sci/ - Science & Math - 84. page

>>9144064
>The universe is constantly expanding like a ball of dough
Expansion refers to a decrease in the local density of space at all points. It is not like something in space expanding, which has space inside and outside and finite volume.

>>9144073
>Expansion refers to a decrease in the local density of space at all points.

That's "like a ball of dough", you pedantic pretentious fuck.

I knew some moron would come in here and assume that I was misunderstanding metric expansion of space.

>>9144081
Well he did address your misunderstanding that there must be something outside the universe.

You'd probably make him gay or some shit

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>>9144035
He would have aquaphobia.

Just like myself.

>>9144035
Probably nothing? Sort of like how making your baby listen to Mozart doesn't actually do shit.

please respond

>>9144007
wtf is a ntinuous functor

cocontinuous ≠ continuous

>>9144007
sure it is

only sub 150 IQ brainlets "experience" optical illusions

>>9143985
Because the 2d rendition is indeed ambiguous. It doesn't even qualify as an optical illusion.

>>9143985
Because from everyday experience we pattern match the shape to an actual cube. In reality, the figure is projected on a 2d plane, so the angles aren't right and mess with your perception that is a cube.

>>9143975
>Are there any good websites/books/forums that have a large archive/repository of maths questions ranging from end of high school to grad level maths that actually require a decent amount of thinking and work?
http://gen.lib.rus.ec/

>>9143981
Apparently this site is banned in the UK for some reason?

>>9144230
lmao

Spivak and apostol ftw

>>9143706
It has teeth, hair, excretes oils and dead matter all the time. Its really rather disgusting I don't knowwhy you want to talk about it.

>>9143711
>excretes oils
we all gonna be rich

>>9143706
Why does it wear the mask?

>>9143690
You have literally answered your own question. Tidal forces are generated by proximity to a gravitating body. The closer you are, the greater the tidal forces. This means your orbit will decay faster. The forces essentially come from the earth expending its gravitational potential energy, and moving closer as a result. Tidal locking is just a result of friction, tidal forces are still exerted on a tidally locked body.

>>9143695
So it is the kinetic energy of the orbiting planet that spent? Do all orbits ultimately degrade and fall into each other?

>>9143940
If the orbits are exactly circles, the bodies are tidally locked, and the system is otherwise a two-body system in isolated vacuum, then it won't degrade.

No, but your velocity would be almost the escape velocity of Earth, when you hit Earth.

Maybe not

I don't know

>>9143444
What part don't you understand?

How did you even pass introductory analysis?

>he doesn't understand highschool calculus
I've got bad news for you

wtf just ask

>>9143327
Medfag here, ask.

>>9143450
>>9143460
Heh, ya like jazz?

A life of sadness and hard work.
Or not. Either way, expect lots of computational physics and data analysis.

>>9143302

Death.

>>9143322

Even if I'm not doing phenomenology? I'm planning on going deep/pure theory

>>9143301
OP again, here. I would suggest that callousness and hostility towards animals and strange humans was very beneficial for most of humanity's existence, and that only in modern society is there any exception. Maybe wanting to survive over fellow humans, and being indifferent towards the poor breeding and elimination of other species, is an outdated survival mechanism. (I guess it would not be outdated if modern society failed in its ultimate goals and/or collapsed.)

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>>9143301
Genetic selection is not even about propagating your exact genes, it is about the continuation of the series that contains your genes. Of course, the many bloodlines are codependent, and the least dependent have less agency. A human doing something harmful to other humans leads to 1/ reducing fair competition thus reducing gene selection 2/ reducing the amount of reproductive partners he could have, considering half of people are the opposite sex because of the Fisher's Principle. Depriving other species is also bad because human intelligence is basically partial retrocausation, thus human action has an impact against the natural equilibrium, and Earth being a chaotic system(see pic) implies the consequences aren't predicted nor that equilibrium is restored quickly after. Now in terms of biodiversity, diversity is more present in a complex being like a human than in a simpler animal. Diversity can be measured in many ways but consider this: are apes more likely to spawn humans than humans are likely to spawn apes? Humans choosing to survive without cancer is safer than apes being put in charge to maintain the Earth's biodiversity. Humans have a huge potential along their power to destroy, the two are inseparable for an intelligent species.

>is this poor and unintelligent 'genetic reproductive strategy'?
Yes.
>So is speciesist and extremely selfish strategy really beneficial 'genetic reproductive strategy'?
No,
> Is it not better in terms of genetic propagation to focus on maintaining the biosphere and prolonging human existence, or is that unique DNA so much more important than the DNA in common?
Wrong. There is a unique DNA, we are propagating a set of DNA sequences, I don't pass my exact DNA, I sacrifice it to make a random mix with other's DNA. Also "and prolonging human existence" that is the case of curing cancer, even though you just said humans should sacrifice themselves with cancer if that meant killing all the apes. Shitty question wording.

>>9143318
>the many bloodlines are codependent, and the least dependent have less agency
>the least dependent have less agency
what does this mean?

>a human doing something harmful to another human reduces fair competition
>fair competition
but what do you mean here?

>human intelligence is basically retrocausation, this human action has an impact against the natural equilibrium?
what this means?

---

>shitty question wording
Now that I'm rewording the question, it seems too philosophical.

Oh my god, there's another great one! It's a fucking VACCINE FOR RABIES, THE SINGLE MOST LETHAL VIRUS KNOWN TO MAN! (The other, equally deadly things being parasitic or bacteriological in nature). If left untreated, the rabies virus GILLS U DED circa 100 percent of the time! But these cool people made a VACCINE for it all the way back in the 19th century!

They even have fucking EBOLA VACCINES these days!

>>9143293
TB is pretty nice vaccine wise.

>>9143293
>flu vaccine
All other vaccines are miracles of modern medicine and should be mandatory. The flu vaccine, however, is weapons grade retardation. They cant even guarantee that the vaccine will prevent you from getting the flu. There are hundreds of different flu strains out there and antibodies for one strain may not do anything against another. They literally cant fit more than a few different inoculations into a single shot so each year they make a guess as to what strain is going to make the rounds. They pick about 3 out of hundreds with very little information to educate their guess. I havent even gotten sick, let alone the flu in longer than i can remember. I havent had the flu shot since i was 9.

>>9143257
Before or after removing from inside the other egg?

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Listen to it really carefully.
I would use one of pic related.


if srs use xray

>>9143361
Looking forward to it.