No.2337
Does someone have refutations to these flat earth videos that are popping up
No.2353
i don't get it. why does anyone need to refute this? it's pretty obvious that the earth isn't flat just by noticing that the earth's longitudinal and latitudinal coordinates loop into one another.
No.2363
>>2353
I don't know why these flat Earth theory popped up, man. People seems to have this fetish of being different for the sake of being different.
No.2369
No.2370
How come these people never notice that stuff built based on the round earth theory works, but shit built based on the flat earth wouldn't? Why even argue about this? It's 2015, we have GPS!
No.2388
>>2370
Because everything is a conspiracy against them.
No.2394
Google Eratosthenes. Also there's a video of Carl Sagan discussing this.
No.2426
Assume the earth IS a flat disc
> my current latitude is 42.7 degrees north
> gravity acts towards an object's center of mass (I.e. The disc's center)
> if I drop a ball on the floor, it should roll north
Go ahead, put a ball on the ground. Does it roll north? If not
> the forces acting on the ball are perpendicular to the surface it is on
> the only shape for which all central facing vectors are perpendicular to the surface is a sphere
So there you have it, the earth is roughly a sphere.
also there is strong photographic evidence
No.2440
>>2426
>gravity acts towards an object's center of mass
No it doesn't. There is absolutely no proof gravity exists. We're on an upward moving platform, slowly accelerating. This is what provides the 'gravity' feeling, which always pulls us down.
No.2441
>>2440
i make boiled eggs in a teapot and i see this at the top of /sci/ in the evening? what the fuck.
No.2444
>>2441
He's being retarded.
If you can only measure the acceleration of a body, you can't determine whether Gravity is acting upon it or if it is in motion. It's a principle of relativity.
No.2731
>>2337
Just got through arguing on half chan - they're very persistent and a lot of them seem to really believe it.
There's also a thread on /fringe/
No.2733
>>2440
then why can we fly around the world without the tail rudder pointing left or right?
:^)
No.2747
>>2337
Coriolis effect.
A spinning disc would have different Coriolis effect than a spinning sphere; it would just be constant from centre to the edge instead of having sine correlation with latitude, changing sign at the equator.
Trying to get spherical Coriolis effect on a disk would require a very exotic force.
No.2775
>>2733
Those are Jewish lies perpetuated to prop up [insert industry here].
This is why you can't reason somebody out of a place they didn't reason themselves into. Refuting these flat Earth videos is at best a service to those who would fall for their half baked delusions.
Honestly it makes me really sad that there are people who can't see how beautiful and special our planet is. It's like they've shut their eyes and they're refusing to look at it, but it's so amazing I can't imagine why anyone would choose to ignore it.
No.2781
>>2775
>the rocket appeared to go down
>this is totally not because the earth is curved and the ground itself "curves" down
No.2801
>>2775
Then explain to me how the sun rises and sets at different times in different areas in the world.
>temperatures go up when you dig down is cuz magic sun :^)
No.2819
If the earth is flat then why is it warmer at the equator and the poles so cool when because of the distance and size of the Sun should make it day time all day and everywhere just as warm.
Also how do these flat earthers propose how it's day on one side and night on another, I mean even if we were on a spinning disc there would be moments of complete darkness on some points and some of completely bright Moments.
No.2895
bumping because refutations have not surfaced enough, and I've seen enough things like this that if you don't deal with it it will spread
>>2353
>>2363
It's popped up because there is nowhere to go to get a quick and ready refutation of the points flat earthers make
>>2369
>>2388
>>2433
Not refutations.
>>2370
Because you're not providing the refutation the flat earthers need?
>>2394
thx
>>2426
see
>>2440
as flat earthers deny that invisible gravity exists and have instead stated that laws of buoyancy are sufficient to explain "gravity phenomenon" rather than the unprovable idea of gravity itself
Also what strong photographic evidence? Fueling this flat earth theory is NASA ball earth photos which are proven to be fabrications.
http://ifers.boards.net/thread/132/proof-nasa-fakes-images-earth
>>2731
Basically the flat earth stuff can stop if someone will sit down and respond to their claims. I honestly don't know enough science to do so which is why I was asking for help. I do think they raise a lot of questions which should be investigated.
>>2747
I don't think the flat earthers all think that if we live on a flat earth, that it is spinning.
>>2801
>>2819
http://aplanetruth.info/2015/03/24/17-if-a-flat-earth-why-does-the-sun-go-down/
also found this when googling:
http://www.fixedearth.com/
also this is new, 200 alleged proofs of flat earth:
http://www.atlanteanconspiracy.com/2015/08/200-proofs-earth-is-not-spinning-ball.html
No.2896
>>2895
This >>2369 is not supposed to be refutation. He's implying that they are actually trolling. And i think he's right. It's just a bait and you took a hook. What are you doing by trying to refute this, is what they actually want, to make you do work for their laughs. But go on if you want.
No.2898
>>2895
not sure if bait….
as for a refutation; look at the ancient greek calculations and refute those nigger.
No.2932
>>2747
>Implying the coriolis effect is a real force
your heart's in the right place, I guess
No.2934
>refutations
If the earth was flat, why can't I noscope the africans from across the ocean?
No.2938
If the earth was flat then why are people able to use the super fast elevator on that tall ass building in dubai to see the sunset twice?
No.2942
>>2895
Jesus you just can't stop trying.
If our earth was flat why cant we draw a perfect map of it. Any map we have that shows flat earth Greenland is the same size as Africa, but when measured Greenland is much smaller. Same with any other countries, they are all distorted.
>Newtons 1st law
What made the earth travel upward in space in the first place.
>earthdown sun flatearth bullshit
No peer reviews, into the trash it goes.
No.2957
>>2895
>I don't think the flat earthers all think that if we live on a flat earth, that it is spinning.
coriolis effect is observable though, so unless they have a better explanation for it than a spinning sphere, it's a full refutation.
No.2968
>refutations
If the earth was flat, how come I can't noscope africans from my front porch?
No.2974
>>2444
Actually he's showing you how a psudeoscientific person can always bolster their position with an infinite regress of nonsense.
No.2994
If the earth was flat, we wouldn't need timezones.
No.2997
>>2934
Because of gravity and friction of air, duh.
No.3014
File: 1441389214079.jpg (69.11 KB, 672x505, 672:505, 4chan ron paul warning was….jpg)
I like the flat earth theory, because it teaches you to think on yourself, when someone argues all you read could be made up by the conspiracy.
An easy way to debunk this is the movement of the stars, also: what force hinders the sun from falling down on us etc
No.3025
>>2440
>There is absolutely no proof gravity exists.
Cavendish experiment, 1798.
No.3044
No.3323
No.3324
>>3044
Nah
This is /sci/ence not esoteric wizardry
No.3329
>>3055
how is that an argument?
No.3366
>>2337
Could the foucault pendulum help somehow? It proves that the earth must rotate (or else you have to assume very weird forces), and when you can show that the movement of the stars is neither just rotating in the same way, nor that it is moving over earth like a piece of tape, then the geometry of earth cannot be flat, or do I understand something wrong here?
No.3367
What if we're in a computer simulation and everything we know is actually wrong
;^)
No.3404
>>3367
Descartes refuted skepticism in 1637.
The best way to put it is if we are stuck in some sort of sim, then this is what we're stuck with. Rather than waste time, lets figure out what we know as reality.
No.3412
>>3366
You can guess Earth's shape from Foucault pendulum already, as its drift depends on sine of latitude.
No.3413
>>3412
(so if the Earth rotates as a solid body, it must be spherical)
No.3458
No.3516
Why has there been a surge in Flat Earth attention as of late? Did the Mars announcement rekindle some thoughts people had or is it a growing movement again?
No.3517
>>3516
My guess would be someone took the joke too far and attracted actual retards.
No.3518
Based on observations of our mind we have concluded that observations of our mind are faulty – subject to illusions. If our minds are subject to illusions, then we can never trust our mind. How can you trust knowledge when everything can be illusions? Anything imaginable can be hypothetically possible, so let's say the Earth is flat. Clearly, this would go against observations of our mind, physics states that a flat Earth would be impossible. So, how could this be hypothetically possible? It could be hypothetically possible if what we perceive physics is an illusion. Perhaps physics is nothing like we know it to be. Well, this is not an attractive thought, because then what would that mean for all those that dedicated their lives to physics? But still, it is a hypothetical possibility, and if it is possible then there is no way to know if it is more possible than any other hypotheses. However, to consider it a reality would not help us, for physics brings results. As long as we have results, whether they be illusions or not, then there is no reason to consider other realities.
No.3526
>>3324
But meme magic is real while science is subjective and subverted by the Jews.
No.3530
>>3526
>science is subjective and subverted by the Jews
Explain
No.3547
>>2337
its pretty simple
>cavendeish experiment proves that gravity is a force between all masses
>direction of gravity is approximately vertical to the ground surface everywhere on earth
>thus, the earth is approximately spherical
furthermore a flat earth, even if it would consist of solid rock not magma, couldnt withstand its own gravity pulling the edges toward the middle.
>>3530
ignore him hes just shotposting
its a meme you dip
No.3548
No.3556
>>3547
There's still one hole in this argument.
Even though you did Cavendish experiment, how do you know that the force with which the Earth attracts objects is exactly this gravitational force, and not some other force caused by exotic matter deep underground (so you can in no way just obtain that material and make an experiment), which is fundamentally different from gravity?
No.3559
>>3556
You're going to need to draw a picture.
No.3560
>>3559
1000 hours in paint
yes I know this is bullshit but I don't know how I would counter such an argument
No.3561
>>3560
It's only been 18.6 hours.
No.3566
>>3561
wtf how fast did you go
No.3569
No.3570
>>3560
The counterargument is to make them draw the whole earth and imaginary field. The force they're describing is inverse-square dependent, so if the planet is not sphere, the force will be pulling slightly sideways in some places. For example, near the 'edge' of the world, such a force would be pulling north, toward the center of the earth's supposed surface. That would be falsifiable.
Of course flat-earthers can't into differential equations or vector fields anyway…
No.3571
Oops, meant to post >>3569 elsewhere
No.3572
>>3570
Depends. According to the disk in OP, the edge is Antarctica. A huge icy edge would mean that such a force would have a negligible pull towards centre?
No.3573
No.3576
If the earth is flat, why isn't it daytime everywhere on the planet at once?
>Muh lampshade
That would make the sun disappear in the sky when night falls.
No.3580
>>2895
>http://aplanetruth.info/2015/03/24/17-if-a-flat-earth-why-does-the-sun-go-down/
Okay this one genuinely made me laugh.
>Absolutely everything appears to be going down the horizon, but it's totally not.
No.3584
>>2337
>>2353
Can I let you guys in on a little secret?
Its all a gigantic ebin ruse. Those /b/tards are just pretending* to be retarded for keks.
*Not actually pretending
No.3585
>>3572
It means all objects would behave weakly like magnets. A uncharged ball on a string would be deflected toward the earth's (magical) center of mass, due north in OPs pic. Note it WOULDN'T be magnetic north, so this counterargument could blow out a magic gravity.
No.3593
>>3585
Oh I see.
The only way this wouldn't be the case would be an infinite flat Earth.