CathInfo.com

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Anybody who gives the flat earth idea the slightest amount of critical examination will realize that it's complete balderdash.  
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Saying that 6 miles at sea should account for 24 feet of drop is nonsense: a sight line 6 feet above the water would meet the top of another 6-foot pole at 6 miles' distance if the earth were "flat."
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Here is a video of a large ship quite clearly going over and behind the curvature of the sea:
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https://www.youtube.com/watch?v=mUgKxxR9XkU
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The container ship starts quite visible with most of its hull in view, but sailing away for an hour appears to sink gradually into the sea.
Eventually the containers on deck and the ship's superstructure are all hidden behind the apparently rising water level of the sea.
The smaller boats in between the container ship and camera are not rising and falling over huge waves, so the swells are quite small, about 2 feet.
Can you refute this simple evidence?
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The website page below compares views of Polaris from various latitudes on a "flat" earth vs. a spherodial earth.
The angle of sight from earth to Polaris is identical to the viewer's latitude on earth!
All viewers are seeing the sun at the same time, so the sun must be located in the same place, consequently all viewers must be looking in the same direction to see the sun there.
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Does this support flat-earthism or is it rather supportive of a spheroidial earth?
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http://i.imgur.com/CPU63Tm.jpg

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Can you refute this evidence that the sun is much further away from earth than the moon is?  
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https://www.youtube.com/watch?v=lVgx0Eio2Mg
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An excellent response to flat earth nonsense. 
Numbers and simple math disproves all their childish yammering.
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It's painfully obvious that the sun doesn't twirl around above the earth the way flat-earthers claim.
How would Antarctica get 24 hour sun if it did?
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https://vimeo.com/136977957

And no, Polaris has not always been the Pole star in the past, nor will it be in the future.
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Essentially, belief in the silly idea the earth is "flat" relies solely on ignorance.
For at least some, their ignorance is willful and impudent, therefore quite repulsive.
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Anybody who gives the flat earth idea the slightest amount of critical examination will realize that it's complete balderdash.  
.
Saying that 6 miles at sea should account for 24 feet of drop is nonsense: a sight line 6 feet above the water would meet the top of another 6-foot pole at 6 miles' distance if the earth were "flat."

There is no curve to the sea because water surface doesn't magically hump-up higher in the center between two shores, nor does the surface of water ever curve.  Water can slosh, but it always settles flat by nature.  Everyone knows that 'sea level' is the horizontal foundation of measurement used in determining elevation of land height.  It's how we know Mt McKinley is 20,310 feet tall. It certainly isn't a 'sea curve' based measurement, or there could be no certain measurement regarding the height of land.  Level is level on a flat earth.  Curve is curve.  But on a globe, you relativists insist the terms are interchangeable, a proposition without foundation.  Earth is not a globe.