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/sci/ - Science & Math


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File: 49 KB, 410x378, portal-thumb-410x378.jpg [View same] [iqdb] [saucenao] [google]
2888223 No.2888223 [Reply] [Original]

My roommate just posed me a question. I like'd it and now am passing it on to you.

‎Conditions:
Portals can indeed exist on movable objects regardless of the game's limitations (nothing is truly static in relative space).

Experiment:
Shoot portal A onto plywood sheet. Shoot portal B onto nearby wall. Toss plywood sheet through portal B.

Results:
?

>> No.2888227

They block each other. You lack spatial comprehension.

>> No.2888226

You end up creating a fractal

>> No.2888234

>>2888223
your picture doesnt work: gravity makes the liquid fall straight downwards, the liquid leaves the otehr portal at an angle

from whence doth it came?

...i can haz are aspie?

>> No.2888243

>>2888234
The coffee has forward momentum from being poured.

>> No.2888249

New condition:

Assume the plywood has a length such that when the board is halfway through the stationary portal it is inside the boundaries of the moving portal.

Thus the board does not block each other.

>> No.2888254

Here is an idea I always think about.

Go to bottom of the ocean. Shoot portal on floor. Go to house, shoot second portal onto wall.

Water Yo. Shit tons of it. A new and never ending river from your house to the ocean now exists.

>> No.2888264
File: 3 KB, 126x121, failtroll.jpg [View same] [iqdb] [saucenao] [google]
2888264

>>2888243

>> No.2888267

while the plywood sheet starts to enter portal B, it starts to emerge from portal A. Yet portal A itself cannot enter portal B, this is the rule, but considering that it did, it would create a self repeating object. hence a fractal.

respect fag:

>>2888226

>> No.2888269

>>2888264

Uh, hes right though.

The coffee falling from the pot has momentum downward, as soon as it passes through the portal the direction of gravity relative to it changes and it begins slowing down instead of speeding up.

Its just like if you throw a ball in up into the air. No imagine instead, its a ball that rolls down a ramp and gets launched into the air.

Same thing.

>> No.2888279
File: 1.01 MB, 2912x2912, mandelbrot.jpg [View same] [iqdb] [saucenao] [google]
2888279

>Reporting in

Yall niggas are actually talking about self replication and fractals.

What would happen is self replication of Portal A. If the original plywood is retained permanently in the "interior portal space" of Portal B (which would necessarily be infinitely large, for the purposes of this thought experiment), then the plywood portal would replicate itself within the confines of Portal B.

>> No.2888286
File: 3 KB, 127x102, zb1.jpg [View same] [iqdb] [saucenao] [google]
2888286

>>2888269
>the direction of gravity relative to it changes and it begins slowing down instead of speeding up.

but still only in a vertical plane. so it goes straight upwards.

>> No.2888287
File: 115 KB, 800x640, I CAN SEE FOREVER.jpg [View same] [iqdb] [saucenao] [google]
2888287

>> No.2888289

>>2888286
Spout is tilted. Coffee leaves spout at an angle.

>> No.2888293

>>2888289
see >>2888264

no more responses!

GTFO!

>> No.2888294

>>2888293

EK is wrong.

I think OPs image isnt a good diagram, but it represents a concept that is possible with portals.

Its true, the coffee does leave at an angle. It generates horizontal momentum from having to travel from one edge of the surface to the other to get sucked out.

>> No.2888296
File: 72 KB, 600x792, drink-beer-photography-atlanta-ga.jpg [View same] [iqdb] [saucenao] [google]
2888296

>>2888286
http://www.google.com.br/images?q=pouring%20drink&oe=utf-8&rls=org.mozilla:pt-BR:official&am
p;client=firefox-a&um=1&ie=UTF-8&source=og&sa=N&hl=pt-BR&tab=wi&biw=1584
&bih=781

>> No.2888300

>>2888293
Get a pitcher or a pot and pour something out. The poured item will always pour in an arc. The faster you pour the greater the arc.

>> No.2888304
File: 8 KB, 523x394, thinking with portals.png [View same] [iqdb] [saucenao] [google]
2888304

Here, I drew you a picture. It isn't perfect but it gives you the general idea.

>> No.2888305
File: 951 KB, 340x255, 1297120586438.gif [View same] [iqdb] [saucenao] [google]
2888305

>>2888300
>>2888296

>ek's face when

>> No.2888308

Thanks for the drawing!

>> No.2888316

>>2888304

Okay I got a new question.

So portal A is smaller than Portal B it seems like. Which seems unrealistic. Otherwise things that pass through it would shrink. Shouldnt the portals be the same size which would prevent them from entering each other?

>> No.2888317

>>2888300
and yet by the time it hits the PERFECTLY HORIZONTAL portal, the liquid is falling vertically, even if it was an arc at the start of the drop.

>> No.2888326

>>2888317

lrn2 algebra.

It will never being falling perfectly vertically. Not only that, but it is still traveling noticably horizontal when it passed through the portal.

Even if it was traveling horizontally as an insignificant rate, that just means the cup you are pouring into needs to be closer to the portal cup. And the pot needs to be elevated higher than the other portal cup.

>> No.2888325

>>2888316
you only need to get the board half the way in, if the portal is in the middle. so it hasnt sporuted far enough to block itself.
so you can push it into infinity...my god this is a mindfuck...

>> No.2888329

>>2888317
l2ballistics
horizontal velocity won't go down to zero for a long time (till air resistance slows it down horizontally)

>> No.2888330

>>2888316
No, the portals are the same size, my drawing is shitty and inaccurate.

>> No.2888333

>>2888330
>>2888330

Oh! Wait I see. yeah because the portals arent perfectly round.

Makes sense. My bad.

>> No.2888334

>>2888317

It didn't enter the portal at a 90 degree, perpendicular angle.

It won't exit the portal at a 90 degree, perpendicular angle.

>> No.2888336

>>2888316
They're oblong, which means you can turn one on its side to fit it through another of the same size.

Anyway, OP's diagram wouldn't work because he wouldn't be able to pour into the first portal to begin with. The gravitational field from the other end of the portal would push back on the liquid, it'd be like pouring into an upward-facing fan.

>> No.2888338

>>2888326
you're wrong.

>>2888223
new criticism: water leaving blue portal jumps too high. it goes higher than the height that the liquid falls into the orange portal.
extra energy gained from nowhere.
= fail.

>> No.2888342

>>2888338

see
>>2888294

>I think OPs image isnt a good diagram, but it represents a concept that is possible with portals.

ADMIT IT DAMN YOU. ADMIT ITS POSSIBLE. ITS POSSIBLE OKAY?

>> No.2888350

>>2888338
new criticism is okay

but for the other thing you need a good argument and you won't really have it

>> No.2888362
File: 3 KB, 126x124, zb2.jpg [View same] [iqdb] [saucenao] [google]
2888362

>>2888350
<<<

and seriously, by the time it reaches the portal it is almost completely vertical. definitely cant move sideways enough to get from the centre of the first cup all the way to another cup.

>> No.2888373

a portal to the astral plain would open

>> No.2888380

>>2888362
>definitely cant move sideways enough
yes. probably nobody said it could (except the image itself)

>> No.2888383
File: 479 KB, 912x792, brolookatthis.png [View same] [iqdb] [saucenao] [google]
2888383

>>2888362

It doesnt matter how verticle it is. It still has horizontal momentum. It may appear to be slowing down horizontally, but thats only because it is accelerating down.

>> No.2888394
File: 58 KB, 877x791, nothis.jpg [View same] [iqdb] [saucenao] [google]
2888394

>>2888383
you best be trolling nigga, where the fuck does the extra horizontal momentum come from???

>> No.2888402

>>2888394
>implying extreme horizontal deceleration

>> No.2888403

>>2888394

It comes from the fact that the liquid had to get pulled toward the spout. Or in the beer bottle example from the beer having to travel from the bottle to the spout.

Listen, just think about a sin wave. The wave is traveling horizontally at a given speed, and it is traveling at a verticle speed that is accelerating and decelerating.

Your picture implies it lost is horizontal momentum once it passed through the portal, which it never loses.

>> No.2888413
File: 73 KB, 912x792, uberniggers.jpg [View same] [iqdb] [saucenao] [google]
2888413

>>2888402
>>2888403

>> No.2888418

>>2888394
It is the same horizontal momentum.

as per newton

>Forces have no perpendicular effects.
>When a force acts on an object, it has no effect on the part of the object's motion that is perpendicular to the force.

The only reason the coffee appears to have no forward momentum is that the downward momentum is so great that the coffee enters the cup before it can move further forward.

>> No.2888429

>>2888413
That is verticle acceleration downward given a constant horizontal speed.

Its like saying a bullet shot from a gun isnt falling at the same speed a bullet just dropped from your hand is.

>> No.2888439

>>2888413
Here is a question for EK.

Lets say you are in space, and you propel a liquid from a bottle (lets say you squirt it like a plastic bottle).

How far does it travel?

>> No.2888461

>>2888304
Could you theoretically use this to shrink people down to a microscopic size?

>> No.2888459

>>2888287
>infiniteportalworks.jpg

>> No.2888485
File: 4 KB, 400x400, 1298866755643.gif [View same] [iqdb] [saucenao] [google]
2888485

>>2888223
How could a plywood sheet big enough to have a portal on it be small enough to fit through another portal?

>> No.2888487

>>2888439
infinite distance i guess...nothing slows it down...

...but learn 2 air resistance.

that must be it.

altho >>2888418 (pascal) could be right and i must concede that i might be clinically reatarded..

>> No.2888492

>>2888254

http://www.wolframalpha.com/input/?i=torricelli%27s+law&a=*FS-_**TorricellisTheorem.vi-.*Torrice
llisTheorem.h-.*TorricellisTheorem.hi--&f2=11000&x=5&y=6&f=TorricellisTheorem.h_1100
0&f3=0.1+m&f=TorricellisTheorem.hi_0.1+m

>> No.2888496

>>2888485
because the portals are oval, not circular.
and oval an fit through an oval..(sideways)

>> No.2888500
File: 19 KB, 518x422, wtfamireading.jpg [View same] [iqdb] [saucenao] [google]
2888500

>>2888492

>> No.2888507

>>2888487
Hooray praise. Thank newton!

>> No.2888514

>>2888487

air resistance cant account for your hypothetical and incorrect notion that a liquid will slow down to zero feet per second after maybe like, 3 inches. Makes no sense. Air isnt that resistant.

I think you are just looking for arguments now.

>> No.2888537
File: 7 KB, 170x213, approvalkid.jpg [View same] [iqdb] [saucenao] [google]
2888537

>OP asks question
>/sci/ has interesting debate about OP's picture
>I fucking love this board

>> No.2888555

My Theorem:

Assume the plywood has mass 0.

Assume the portal is oval and upright (standard position), thus the vertical center is dominant.

Assume the portal matches the exact boundaries of the plywood.
This implies the plywood must be instered either horizontally or vertically centered.

Assume the plywood is insterted Horizontally.
Begin Interstion. The plywood will begin to emerge from itself as expected. Continue insterting until the plywood is just less than halfway in.
At this point you will hit the horizontal center, creating an infinite number of portals at horizontal center.

Assume the plywood is insterted Vertically.
Since the portal is in standard position, the vertical center is dominant.
As soon as the plywood enters the portal, an infinite number of portals will be created along the vertical center.

In either case,
If the mass was not 0, an infinite amount of mass would exist, creating a gravity well destroying everything.
If portal A, was of a smaller size than portal B, the portals would continue to get smaller as the existed into infinity. This would create an infinite black hole in space and destroy everything.

Since the portals are identical in size, the size of the plywood is preserved. However you now have created infinite portals of consistant size, filling up all the space in the universe.

Summary, DON'T DO IT!

>> No.2888570
File: 20 KB, 582x358, 13693458.jpg [View same] [iqdb] [saucenao] [google]
2888570

>>2888514
alright! jeez! i concede defeat.

...

>> No.2888579

>>2888570

Sorry if I came off harsh. My bad. I just kept saying things feeling like "Ah, this all makes sense now, certainly it will be perfectly clear to everyone"

>> No.2888588
File: 10 KB, 376x327, 13645646.jpg [View same] [iqdb] [saucenao] [google]
2888588

>>2888570
wait a fucking sec! no i dont!

FOR THAT TO WORK, THE POURING MUST BE DONE ...sorry caps lock (bit high right now...) erm, yeh! for that to work, the pouring must be done fro outside the rim of the cup, but the teapot is right above it. the curve MUST be the same on both sides, ergo, it cant leave the radius of the cup and pour into the otehr cup on the far side of the portal!

yeh!

>> No.2888589

>/science (fiction) & math/

>> No.2888598

>>2888588
>>2888588

This I will admit is I think is correct.

>> No.2888611

>>2888588
Look how big the pot is. Because gravity is giving a liter of coffee downward motion. and the pot is converting that to forward motion. And the majority of the pot is outside the rim of the cup. Then there must be enough horizontal force to clear the other lip of the cup.

>> No.2888616

Portal B cannot go through Portal A. Same reason you cannot directly shoot portal B into Portal A. Once portal B crosses the threshold of Portal A, Portal B would close. A better question is what if you sandwiched someone between the two portals.

>> No.2888618
File: 154 KB, 399x370, pouringbetter.png [View same] [iqdb] [saucenao] [google]
2888618

Here is a more accurate version of OP's image.

>> No.2888635
File: 60 KB, 500x500, shopped.jpg [View same] [iqdb] [saucenao] [google]
2888635

>>2888618

>> No.2888638
File: 11 KB, 280x282, fuckyea.jpg [View same] [iqdb] [saucenao] [google]
2888638

>>2888598

>> No.2888664
File: 157 KB, 398x429, pot.png [View same] [iqdb] [saucenao] [google]
2888664

>>2888618
To account it won't go as higher as where it came from

>> No.2888668

>>2888638 fuckyea

isn't that a bit premature, seeing as you have yet to contend with my latest counter?

>> No.2888676
File: 19 KB, 375x306, kaye_effect.jpg [View same] [iqdb] [saucenao] [google]
2888676

Bitches don't know 'bout my Kaye Effect!

>> No.2888679

One on the bottom of the sea, one in space. What happens?

>> No.2888680

>>2888668
yeh probably. but physics doesnt work like that. is works like sideays 's'

wait no.. like..you know... oh fukc! i can latex it. give me a sec...

[math \intergral [/math]

liek that <<

>> No.2888684
File: 2 KB, 126x126, thefuck.jpg [View same] [iqdb] [saucenao] [google]
2888684

>>2888680
...fuck.

>> No.2888696

>>2888664
it goes exactly as high. gravity is the same thorughoyut, so lern 2 conservation of meomentum.

>> No.2888702

>>2888680
I wouldn't know. I never took physics. But, I do know pouring coffee, and the more coffee in your pot, the faster it pours.

>> No.2888703
File: 115 KB, 395x365, awwwwyeah.png [View same] [iqdb] [saucenao] [google]
2888703

Aaaawwww Yeeeaaaaah

>> No.2888712

>>2888696
l2conservation of energy
air resistance yo

>> No.2888729
File: 10 KB, 174x167, 1276179239689.jpg [View same] [iqdb] [saucenao] [google]
2888729

I think you're all forgetting that the coffee is arcing higher than the point it was poured from.

Unless someone mentioned that already. All I saw was "herp derp angles"

>> No.2888734

>>2888729
notice that the end cup is almost full and the pot is almost empty. This picture is at the end of a pour, where you generally follow the flow downward to avoid spilling.

>> No.2888740

>>2888712
>>2888696

at that relative distance, air resistance shouldnt cause it to slow down as the amount depicted. I agree that
>>2888618
is more accurate

>> No.2888756

New Experiment:

Shoot a portal at one wall. Shoot a portal at another wall. Cut a hole in a box. Put your junk in that box. Have your roommate open that box and GTFO.

>> No.2888782

>>2888756
New expierment.

Shoot a portal through a portal..

New Expierement:

Shoot a bullet through a bullet-sized portal that leads to a portal at the back of the gun you shot the bullet from. NOW YOU MUST FOREVER POINT THE GUN AT THE TARGET.

New Experiment:

Bullet a portal through a gun.

New experiment:

Put a portal on your stomache, and then put a portal at the back of your through. Lean into whisper something in your girlfriend's ear and then PUNCH YOUR OWN GUT

TEACH HER A LESSON

New Experiement:

Put a portal on top of a portal sized frisbee. Then put a portal on the opposite size of the portal sized frisbee.

>> No.2888802

I think the fact that you can't shoot a portal through a portal means that portals are somehow repulsive at very close distances and refuse to occupy the same physical space. Maybe in OP's question, the portal would just resist as if caught on a wall, and if pushed hard enough, break the portals so they are turned off.