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They also made a tool.

Anyway, lots of things sound obvious, but are in fact wrong. So, it is good for academics to formally study things that sound obvious at first.

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It's obvious to anyone with eyes that the world is flat. I'm glad someone checked anyhow.

If the world were flat, cats would’ve knocked everything off the edge by now.

If the world was flat imagine the 5 star hotel on the edge. It would be awesome.

Every hotel I visit in town is a 5 star hotel in that you can at most see 5 stars from the hotel. A hotel at the edge would hopefully have many more stars visible

It's really not, since if there aren't any hills you can watch distant things come into view over the horizon. I believe the standard example is ships.

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