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Author Topic: Flat Earth  (Read 1093505 times)
notbatman
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October 13, 2019, 03:02:20 PM
Last edit: October 13, 2019, 05:26:58 PM by notbatman
 #15201

@hornetsnest, 0.53°.



edit:
Alex, I'll take triangles for $500 please!



edit2:
No wait Alex, you don't even need to ask, I've already got it! What is the angular resolution limit of the human eye?
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Cryptotourist
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October 13, 2019, 11:16:14 PM
 #15202

What is the angular resolution limit of the human eye?

notbatman
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October 14, 2019, 01:25:09 AM
Last edit: October 14, 2019, 07:35:38 AM by notbatman
 #15203

^^^ If you want to make a claim about what is being observed it helps to understand how vision works. The angular resolution limit of the eye, camera, etc.. making the observation can be and is a factor for some observations.

Assuming 20/20 vision, at distances beyond 1/2 nautical miles a 1 foot object is too small to see; its angular size is smaller than 1 minute and it's not visible. When observing the Sun its angular size appears to be ~0.53°. Knowing that the human eye has an angular resolution limit of 1 minute allows for the calculation of the diameter of the Sun. If perspective and atmospheric refraction are accounted for then ~0.53° equates to a solar diameter of 32 nautical miles (36.8 statute miles or 59.3 kilometres) at a ratio of 1 nautical mile per minute.



Ref:
Yanoff, Myron; Duker, Jay S. (2009). Ophthalmology 3rd Edition. MOSBY Elsevier. p. 54. ISBN 978-0444511416.

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October 14, 2019, 08:54:27 AM
 #15204

I get dumber every time I read one of your lobotomized epic posts Batty.

- Does the donkey fly?
- Of course it flies, and it's got 2 fucking huge wings Batty.
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October 14, 2019, 09:56:47 AM
 #15205

Knowing that the human eye has an angular resolution limit of 1 minute allows for the calculation of the diameter of the Sun.

I don't understand how the angular resolution of the eye can be a factor in the diameter of the sun. Also, every eye's angular resolution is different and a camera can have a higher resolution than the eye, so, wouldn't that affect the diameter? Sorry if you have explained it already. A summary would suffice.

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October 14, 2019, 10:12:19 AM
 #15206

A summary would suffice.

From Batty?
Batty has major comprehension problems, he can't get his head straight, let alone write a credible summary of anything.

There:
Assuming 20/20 vision, at distances beyond 1/2 nautical miles a 1 foot object is too small to see; its angular size is smaller than 1 minute and it's not visible.

I mean what kind of idiot misreads this:

Quote
The human eye has an angular resolution of about 1 arcminute (0.02 degrees or 0.0003 radians) which enables us to distinguish things that are 30 centimetres apart at a distance of 1 kilometer.
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October 14, 2019, 10:33:02 AM
Last edit: October 14, 2019, 04:00:02 PM by notbatman
 #15207

@Cryptotourist,

Here's a picture, it's flies in the face of a donkey.



If I can't perceive an object then it's not visible, your comprehension of the word 'distinguish' is at fault here not mine.



@odolvlobo,

"...Assuming 20/20 vision..."
"...let pupil diameter be 2.4 mm..." -- https://i.imgur.com/qFO5tSL.jpg


The diameter of the Sun is obviously a fixed value, only the minimum maximum distance you can observe a 1 foot object changes with a change in the resolution limit. It's like measuring a an object with yard stick and a metric pair of calipers, you end up with about the same result it's just that one has a higher resolution.
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October 14, 2019, 11:39:59 AM
 #15208

If I can't perceive an object then it's not visible, your comprehension of the word 'distinguish' is at fault here not mine.

It is visible, you twat.



Sorry Batty, I can't really argue with a fool (yeah, you).
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October 14, 2019, 12:07:38 PM
 #15209

The horizon line is everything squished together, the distance to this line if it's not obscured by a narrow band superior mirage changes depending on the angular resolution limit. Atmospheric refraction not withstanding no objects are visible past this line.
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October 14, 2019, 01:02:56 PM
 #15210

You sound like a fucking genius there Batty, too bad you understand zip shit of the things you write.
sirazimuth
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October 14, 2019, 03:16:03 PM
 #15211

You sound like a fucking genius there Batty, too bad you understand zip shit of the things you write.

Actually I beg to differ.
Batty understands the shit he writes is just that... shit...bullshit. Pure utter bullshit.
He just has this obsession with trolling and getting attention...and what better way to elicit
responses to his nonsense than to have a 4 year long farcical thread claiming the earth is a dome covered pancake and the sun is 32 miles wide.
Can you imagine this character IRL blathering on about flat earth proof, fish eyed lenses, perspective, NASA conspiracies,
curved water and all the other retarded drivel he's been banging on about for past 4 plus years in here?
He'd be thrown in the frickin loony bin.

Bitcoin...the future of all monetary transactions...and always will be
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October 14, 2019, 03:47:07 PM
 #15212

@Cryptotourist,

Here's a picture, it's flies in the face of a donkey.



If I can't perceive an object then it's not visible, your comprehension of the word 'distinguish' is at fault here not mine.



@odolvlobo,

"...Assuming 20/20 vision..."
"...let pupil diameter be 2.4 mm..." -- https://i.imgur.com/qFO5tSL.jpg


The diameter of the Sun is obviously a fixed value, only the minimum distance you can observe a 1 foot object changes with a change in the resolution limit. It's like measuring a an object with yard stick and a metric pair of calipers, you end up with about the same result it's just that one has a higher resolution.

We are having so much fun, aren't we... LOL! Cheesy

Doctors remove 4 bees found living under woman’s eyelid — they survived on her tears
- https://globalnews.ca/news/5151715/bees-living-eyelid-drinking-tears/.

All your "eye" talk doesn't have anything to do with FE, when you check out https://bitcointalk.org/index.php?topic=1009045.msg52735246#msg52735246 and https://bitcointalk.org/index.php?topic=1009045.msg52738726#msg52738726.

But it is fun playing, isn't it?

Cool

Is the CDC a crooked government agency? >>> https://www.youtube.com/watch?v=gJUjnY_FGNQ
Don't be afraid to donate Bitcoin >>> 1JDJotyxZLFF8akGCxHeqMkD4YrrTmEAwz !  Thank you.
notbatman
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October 14, 2019, 04:12:39 PM
Last edit: October 14, 2019, 06:26:19 PM by notbatman
 #15213

^^^ I actually meant to say maximum distance in the statement above. The angular resolution limit can be used as standard to gauge an objects actual size with. Sailors use the ratio of 1 minute for every 1 nautical mile, this rule of thumb is standard practice.
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October 14, 2019, 08:17:44 PM
 #15214

^^^ The point of what you meant to say is this. All you need is one little flaw in your calc or applicationof it, and the whole thing goes out the window. Watch the video.

Michio Kaku: What If Einstein Is Wrong?

https://www.youtube.com/watch?v=9XjS4I4oQDY


Notice that it is as you said for sailors, a rule of thumb. Never, ever, ever does it take sailors to a pin-point position. Rather, it gives them enough of a position that once they are in the area, they can use radar, sonar, soundings, visual sight, etc., to go the rest of the way. In the old days, before radar and sonar, sailors frequently piled their boats up on reefs, rocks, the shore, other boats, etc. This still happens even with the pin-point precision of radar and sonar. It's as you say, a rule of thumb, that gets sailors into the general area.

As far as flat earth goes, read my above post to see that flat earth is geometrically proven impossible according to anything that you say - https://bitcointalk.org/index.php?topic=1009045.msg52757422#msg52757422.

Cool

Is the CDC a crooked government agency? >>> https://www.youtube.com/watch?v=gJUjnY_FGNQ
Don't be afraid to donate Bitcoin >>> 1JDJotyxZLFF8akGCxHeqMkD4YrrTmEAwz !  Thank you.
Cryptotourist
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October 15, 2019, 06:12:10 AM
 #15215

Actually I beg to differ.
Batty understands the shit he writes is just that... shit...bullshit. Pure utter bullshit.
He just has this obsession with trolling and getting attention...and what better way to elicit
responses to his nonsense than to have a 4 year long farcical thread claiming the earth is a dome covered pancake and the sun is 32 miles wide.
Can you imagine this character IRL blathering on about flat earth proof, fish eyed lenses, perspective, NASA conspiracies,
curved water and all the other retarded drivel he's been banging on about for past 4 plus years in here?
He'd be thrown in the frickin loony bin.

It depends what gravity you give to the word "understanding". He can read - I'll give him that.

We can agree to disagree on this one. I pondered about it when I came across this thread. You can get attention without playing dumb.
Nah, he's above the average stupid, he must be!
Ucy
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October 15, 2019, 12:13:36 PM
 #15216

Found a pro flat earth video few days ago and it blew me away. What I saw was too convincing and unbelievable.

I have been fighting off the idea that the earth is a disk and stationary but after watching it I was humble and ashamed of myself.
 It also says the sun revovles around the earth, what? What on earth is going on in our world? Who is right on this matter, the ancients or the modern world? What a strange world we live in lol


Pls watch and be blown away. https://m.youtube.com/watch?v=-Ax_YpQsy88

I do not think the video is 100% true though. I give it 40%



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notbatman
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October 15, 2019, 03:00:01 PM
 #15217

^^^ 200 proofs is good, one of the first flat earth videos to go viral years ago.

Next time you're on an airplane don't look but listen, "it looks flat" they whisper.

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October 15, 2019, 05:11:20 PM
 #15218

^^^ 200 proofs is good, one of the first flat earth videos to go viral years ago.

Next time you're on an airplane don't look but listen, "it looks flat" they whisper.


It only takes one FE proof failure, and the whole FE idea goes down the tubes.

https://bitcointalk.org/index.php?topic=1009045.msg52738726#msg52738726.

Cool

Is the CDC a crooked government agency? >>> https://www.youtube.com/watch?v=gJUjnY_FGNQ
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October 16, 2019, 02:56:09 PM
Last edit: October 17, 2019, 06:44:28 AM by notbatman
 #15219

🎵 FLAT EARTH MUSIC TELEVISION 🎵 24/7 LIVE! -- https://youtu.be/UWHHDAP-RMw

Well I'm impressed.







What do you believe the horizon is?

A. Objects beyond your angular resolution limit that are compressed into a line where the sky meets the earth,

or,

B. a convex dome of water below you that rises up and blocks your view of the ship you're on as it sails over the side of the curved edge.


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October 17, 2019, 06:39:07 AM
 #15220

🎵 FLAT EARTH MUSIC TELEVISION 🎵 24/7 LIVE! -- https://youtu.be/UWHHDAP-RMw

Well I'm impressed.

I'm not. It's utter bullshit.



What do you believe the horizon is?

A. Objects beyond your angular resolution limit that are compressed into a line where the sky meets the earth,

or,

B. the curved surface of a convex dome water below you that blocks your view of the ship you're on.

C flathead.
The word horizon derives from the Greek "ὁρίζων κύκλoς" horizōn kyklos, "separating circle", where "ὁρίζων" is from the verb ὁρίζω horizō, "to divide", "to separate",which in turn derives from "ὅρoς" (oros), "boundary, landmark".
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