We’ve all heard the claim: the Earth curves at 8 inches per mile squared. Supposedly, this means that over just 10 miles of ocean, the surface should drop more than 66 feet below the line of sight.

But here’s the problem. Go look at the sea.

It doesn’t slope. It doesn’t bend. It doesn’t dip away. It stays level—just as water has always behaved.

Water Finds Its Level

Think about it: when you pour a glass of water, does it curve? When you fill a bathtub, does the surface bend around the edges? No.

Water’s natural property is to find and maintain a level surface. Yet we’re told to believe that this same water magically clings to a spinning ball, racing at 1,000 miles per hour, and wraps itself neatly around it.

That’s not science. That’s faith.

Engineers Don’t Build for a Curve

Flat Earth researchers point out something mainstream science often ignores: engineers never factor in curvature when building massive projects.

• The Panama Canal, stretching over 50 miles, contains no curve adjustments.

• The Lake Pontchartrain Causeway in Louisiana runs straight across open water for miles—its supports are designed in straight lines, not arcs.

• China’s longest pipeline, over 300 miles, was engineered without applying “curve math.”

If the Earth were truly curved, each of these projects would require huge adjustments to compensate. But in reality, they’re designed level—because that’s what the ground and water beneath them actually are.

The Ultimate Example: Bolivian Salt Flats

Perhaps the most striking evidence lies in Salar de Uyuni, the Bolivian salt flats. Spanning 4,000 square miles, they form a perfect reflective surface when covered with water.

No bulges. No bends. Just a vast, glass-like plain stretching into the horizon. If curvature existed, reflections would distort. But they don’t.

So, Why Believe in a Curve?

If water is always level, why are we told to believe otherwise? No experiment or construction project has ever accounted for curvature. The evidence of our eyes, our senses, and the works of human engineering point to the same conclusion:

The Earth isn’t curved. It’s flat.