Twelve questions for u/Eisenhorn
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But it measures the curvature. Your reasoning is circular.
Of course it is an experiment. You have no idea what you are talking about.
You just keep moving the goalposts. Every time one of your arguments is refuted you just answer with "Yes but that's not what I really meant".
Same with your claim that curvature cannot be observed. Once I explained to you how to observe it you just moved the goal posts to "yeah but that's not the way i imagined It".
You are starting with very broad statements and once you are shown to be wrong, you add conditions. That's not how it works.
No, you merely believe it does. What device measures this curvature?
You calculate the curvature you assume is there using measurements of things which are NOT the curvature. Please let me know if you do not understand me, or still disagree!
Please formally/explicitly describe it so i can understand what you mean. From my point of view, using calculations which depend on the world being spherical to "measure" that believed curvature is plainly the circular logic.
Your definition for experiment is wrong. There is no hypothesis, there is no iv or dv, there are no controls - it is in no way an experiment. It is merely a few measurements followed by a calculation which assumes / requires the world is/be spherical.
There are no goal posts to move, and this is merely a discussion. You are NOT observing (or measuring) the "curved water". Full stop. You are measuring something which is NOT that curvature and then calculating curvature assuming it were the cause. There is a large and important difference which i am hoping is not lost on you. The water was never curved from your vantage and you never saw any curved water - right?
You may feel that way, but that is certainly not my intention. My original claim was that no one has ever directly measured the curvature the globe model describes in still water - including frozen lakes which are many miles long. No conditions have been added nor have you shown this claim to be wrong (though i would be pleased if you could!).
How would you measure the curvature of things then?
I can think of several ways, but to directly measure the surface of the water (for curvature or anything else) - you have to actually measure the surface of the water. Right?
You tell me. You claim that the method i presented doesn't work, so, present a method that works.
You won't because you can't.