I have a question for all you round earth theorists...
When was the first time you "learned" that the earth was round? Did you one day question the shape of the earth and go out and find out on your own? Or did you turn to mommy and daddy? Or ask your teachers? Or did someone else bring it up to you the first time? And what did you say to them? Did you agree? And if you didn't at the time, what happened? Were you punished for it?
What I'm getting at is all of you guys have been brainwashed since a young age to distrust your senses. How about the first time you saw "curvature" on the beach? Did your mom and dad point to the horizon and say, "Look, you can see the curvature!" I bet they did. I doubt any kid went running to mommy and daddy saying, "The earth is round!!!! I saw curvature!!!"
From a very young age, humans have been taught what to see, hear, smell, feel, think. "Don't trust your senses, it's just an illusion." "Scientists discovered that the earth is round by writing formulas. Don't you think it's silly that people used to think the earth is flat? You never thought that right? You're not like those foolish people right?"
It's brainwashing, make no mistake about it. Stop relying on others to tell you what to believe. Question those who pick and choose their beliefs but stop you from choosing yours. Learn to pick what is right for you. Learn to question.