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It looks like there won't be any debate because no flat-earthers have applied.
That is, no credible ones have. 
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One ignoramus calling himself "Flat Out" (a.k.a. Robert) claims to have excellent videos showing his "experimentalisations" (must be British which explains their obsession with excrement) only has stupid stills of a tennis ball setting on the grass, or a manure pile steaming hot gasses, or Robert himself with a vacuum hose hanging out of his underwear as if that's somehow important, of course, there are all the torn-up baby toys on the lawn perhaps because the stupid dog is bored all day long.  
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He managed to muster support from his few dozen subscribers to go post their approval for him as a debate opponent on the Sly Sparkane video comments section (where I got these below) and they did! (Apparently when you treat flat-earthers with contempt and ridicule while you imply that's just sarcasm, you can get the to follow your orders like that! That goes to show the intellectual shallowness of flat-earthdom syndrome!) You can tell their posts because they always mean the opposite of what they say, the way Sodomites like to behave, and they end it with "Keep it flat!" 
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Sly said he would put a "heart" next to their post if he approves of the experiment samples their channel provides. He put a "heart" next to Flat Out's post, and some of FO's subscribers noticed it and gave it an upvote, but then Sly later removed the "heart" (probably after he realized the so-called evidence was all bogus). So the subs came back whining like crybabies that the "heart" was removed!
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Some replies under the OP video:
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George Smith
George Smith 
1 week ago
This debate isn't going to happen. An overwhelming majority of FE's are terrified of math and numbers. And the few that aren't, always get the math wrong. There are no repeatable experiments for the flat Earth because they either lie about the results or don't understand what they are looking at so they try to twist and interpret the results to fit their ideology. There isn't a single intellectually honest one in the bunch. So terrified that they might have to accept that the entire world isn't lying to them, and they're not the super special ones in the super secret truth club.
21
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Harry M
Harry M  1 week ago  --they call themselves "truth seekers" and then they turn around and spit lie after lie after lie... disgusting!
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blunder4
blunder4  1 week ago
I'm with you... but playing devil's advocate, as FE is not rooted in any science at all maybe more of a belief system or 'ideology' so possibly debatable from that perspective. The only problem with any kind of debate with people of limited cognitive ability is that it just goes round and round with the ideologues simply moving the goalposts, shifting their position slightly and introducing spurious or faulty arguments on each iteration.
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Why won't there be any debate?
Because,

     An overwhelming majority of FE's are terrified of math and numbers. And the few that aren't, always get the math wrong. 
     There are no repeatable experiments for "flat-earth" because flat-earthdom syndromers either lie about the results or don't understand what they are looking at, so they try to twist and interpret the results to fit their ideology! There isn't a single intellectually honest one in the bunch. 
     So terrified they are, that they might have to realize the entire world isn't lying to them, and they're not the super special ones in the super secret truth club. 
     The only problem with any kind of debate with people of limited cognitive ability is, it just goes round and round, with the ideologues simply moving the goalposts, shifting their position slightly, and introducing spurious or faulty arguments on each iteration. 
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By the way, if there isn't any debate in the end, that's the same result as if the flat-earthdom syndromers had lost the debate, because they had their chance and could not show they had any record of having done the experiments they claim. Like Robert (FO) the nonsense purveyor, who thinks a pile of cow dung on his dirt lot is a great "experimentalisation," or that stuffing a vacuum cleaner hose up his crotch and running around is supposed to be relevant. 
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You CathInfo flat-earthers really ought to get out more often. Have a look at what the world has to offer for supporting your nonsense. There are a lot of repulsive perverted malcontents out there (many of whom are atheist sodomites like Eric Dubay) that know what they're doing and they keep doing it because they like the reactions it evokes from YOU. You are being played for the fool. Having fun?

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Some of the things that could have been addressed in the debate that probably won't happen because there are no flat-earthers who have put forth the effort it takes to conduct experiments regarding the shape of the earth, and have posted their work including data collected on their video channel (YouTube or whatever) -- AKA, Why Flat-Earthdom Syndromers Hate Facts and Models:
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-- Impossible on a "flat" earth but no problem on a spherical earth.

-- Impossible on a "flat" earth but no problem on a spherical earth.

-- Impossible on a "flat" earth but no problem on a spherical earth.

-- Impossible on a "flat" earth but no problem on a spherical earth.

-- Impossible on a "flat" earth but no problem on a spherical earth.

-- Impossible on a "flat" earth but no problem on a spherical earth.

-- Impossible on a "flat" earth but no problem on a spherical earth.

-- Impossible on a "flat" earth but no problem on a spherical earth.

-- Impossible on a "flat" earth but no problem on a spherical earth.

Globe earthers can't even use modern science to back their claims because modern science is out there denying their entire premise with hidden in plain site facts.  

Through government declassified docuмents, publications, books, and manuals - we find the truth -- if we know where to look.
▪Official NASA site, admitting they cant leave "low earth orbit".
>>> https://www.nasa.gov/…/van-allen-probes-spot-impenetrable-b…
▪Docuмents on the CIA website mention the firmament starting on page 19 in a series of tests on the atmosphere.
Page 20 says "...only the assumption of a flat Earth"
>>>
https://www.cia.gov/…/do…/CIA-RDP86-00513R001343720008-3.pdf
▪ NASA and The Ames-Dryden Flight Research tells us again in the concluding remarks. The Earth is flat and nonrotating.
>>>
www.nasa.gov/centers/dryden/pdf/88104main_H-1391.pdf
▪In 1986 The US Air Force repeated the Michelson-Morley experiment, published in the Nature Journal Volume 322. 
reproved the motionless earth.
>>>
http://palgrave.nature.com/…/jo…/v322/n6080/pdf/322590b0.pdf
▪The Federal Aviation Administration denotes, in their Aircraft Dynamics model, that the earth is flat 5 separate times.. as well as referring to geocentricity 3 times.
>>>
https://www.faa.gov/…/l…/tgf/media/AircraftDynamicsModel.pdf
▪The United States Coast Guard's geographic range table lists distances as visible that should be behind the curve of the earth. Such visible distances could only be possible on a flat earth.
>>> https://www.navcen.uscg.gov/p…/lightLists/LightList%20V6.pdf
▪The U.S. Army Research Laboratory's "Propagation of Electromagnetic Fields Over Flat Earth"
>>> http://www.arl.army.mil/arlreports/2001/ARL-TR-2352.pdf
• (http://www.arl.army.mil/arlreports/2009/ARL-TR-4998.pdf) page 1: Trajectory of Spinning Projectiles: “These equations assume a flat Earth.” •(http://www.arl.army.mil/arlreports/2010/ARL-TR-5118.pdf) page 2: “These equations assume a flat Earth..” •(http://www.arl.army.mil/arlreports/2011/ARL-TR-5810.pdf) page 216: "assuming a flat Earth" 
•(http://tycho.usno.navy.mil/ptti/2007papers/paper21.pdf) Page 1: “...so that a flat-earth approximation provides the best estimate.” 
•(http://www.arl.army.mil/arlreports/2001/ARL-TN-175.pdf) Page 39: "model works over a flat earth"
•(http://www.arl.army.mil/arlreports/2003/ARL-TR-2696.pdf) page 1: transmission loss over flat earth
•(http://www.arl.army.mil/arlreports/2000/ARL-TR-2156.pdf) page 9: “...input to a flat earth” 
•(http://www.arl.army.mil/arlreports/2003/ARL-MR-563.pdf) page 3: “The first is the Earth-fixed coordinate system, which is fixed to the Earth with a flat Earth assumption.” 
•(http://www.arl.army.mil/arlreports/2010/ARL-CR-650.pdf) page: 1 "flat earth approximation provides the best estimate"
•(http://www.arl.army.mil/arlreports/2002/ARL-TR-2683.pdf) page 32: "This model works well over a flat-earth"
•(http://www.arl.army.mil/arlreports/2000/ARL-TR-1812.pdf) page 168: "equations of flat-earth trigonometry." (http://www.irig106.org/…/106…/106-17_Telemetry_Standards.pdf) page 8: "The Earth is flat and nonrotating." •(http://www.navair.navy.mil/…/comm…/Inplace.aspx/LoadFile/531) General Equations of Motion for Damaged Asymmetric Aircraft, Page 1: “...equations of motions must properly reflect the underlying physics.” page 2: "In this paper, the rigid body equations of motion over a flat non-rotating earth are developed...” 
•(https://ntrs.nasa.gov/…/…/casi.ntrs.nasa.gov/20070030307.pdf) Approximate Optimal Guidance for the Advanced Launch System, On page one this docuмent does mention a spherical rotating earth but then states that “...these schemes” [based on a spherical rotating earth] 1) “...are difficult to prove” and 2) “...not suggested to be used as a basis for an online real-time guidance law.” Page 32 goes on to say: "Lastly, the equations of motion for the zeroth-order problem of flight in a vacuum over a flat Earth are presented."

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Spam!

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Flat-earthers can't use modern science to back their claims because modern science is out there denying their entire premise with facts in plain sight, but flat-earthers think they're "hidden." That's because flat-earthers don't want to look!
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Facts in plain sight:
-- The sun rises due east and sets due west twice a year, on the 2 equinoxes.
-- The east sunrise and west sunset on the equinoxes can be seen from anywhere on the globe, twice each year.
-- The Tropic of Cancer is the same length as the Tropic of Capricorn, impossible on a "flat" earth, but obvious on the globe.
-- Southern constellations appear at different Right Ascension at the same time from different longitudes all over the globe.
---- Just as northern constellations appear at different Right Ascension at the same time from all over the globe.
---- The appearance of southern constellations in the same manner as northern shows the earth has the same shape north and south.
---- This shape is only explained by a spheroid, and cannot be explained as being "flat."
-- The sun and moon form a right triangle twice a month on the quarter moon phases.
---- Since the angle between sun and moon is greater than 89 degrees, the sun must be at least 50 times further away from earth.
---- In fact, the sun is 390 times further away, which can be verified with sophisticated measuring devices.
-- There is nothing about flat-earthdom that can explain the operation of a Foucault pendulum while a spheroid earth can.
-- The movement of the sun, moon and stars every day and night proclaim for those with eyes to see, "Earth Is A Globe!"
-- Using a theodolite from an altitude of 2,000 ft shows that a level line of sight is always above sea level.
-- The higher up you go the more the drop is, such that at 15,000 ft there is a 15,000 or more ft drop, all over the globe!
-- If the earth were "flat" a level line would always go directly to the horizon line, not above it, but it'a always far above it.

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Flat-earthdom syndromers are in stunned silence -- so what else is new?

You completely control this subforum, and you don't allow discussion of FE here. Why would you expect much of a response to your stupid "FLAT EARTH DEBATE CALL?"

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Wrong.
I don't control anything here.
The simple fact is, that I can irrefutably respond to anything flat-earthers say here and expose their incompetence for what it is.
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You're more than welcome to prove me wrong. Go ahead. Be my guest. Make my day!
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And while you're at it, show that you mean what you say by performing a simple experiment, if you have the courage you claim.
..................(more stunned silence prolly)

For someone who takes extreme pride in showing what a great modern scientist he is, you sure have a lot of growing up to do.