# Flat-Earther Brings A Spirit Level Onto A Plane To Prove That The Earth Is Flat

According to D Marble, a proud flat-earther, they have been lying to you all along: the earth is flat. He even went to the trouble of taking a spirit level on a plane to prove that our planet has no curvature.

The man filmed himself during a flight from North Carolina to Seattle. His goal was to prove that the bubble on the spirit level would not move.

According to D Marble, if the bubble didn't move, then that would be absolute proof that the earth is flat. If the bubble moved, however, then that would be proof that we live on a spinning blue marble.

## If The Earth Was Curved, Why Didn't The Bubble Move?

The flat-earther reasoned that if the earth was round, the bubble would move as the plane moved.

But if it was flat, then the bubble would stay at the same point, which is precisely what happened.

The guy, who clearly has no idea how the earth's gravitational lines of force are aligned on this or any other planet, came to the quick conclusion that the earth is flat after this experiment.

After the flight, he was very proud of himself. In fact, he shared this update to help convince more people to become into flat-earthers:

"I recorded a 23 minute and 45 seconds time-lapse, which by those measurements means the plane traveled a little over 203 miles (326km). According to curvature math given to explain the globe model, this should have resulted in the compensation of 5 miles (8km) of curvature. As you'll see there was no measurable compensation for curvature."

The YouTube video drew a lot of reactions. A commenter wondered if the guy was even serious.