Flat-Earther's "Experiment" Goes Viral, Just Not In The Way He'd Hoped

A flat-Earth conspiracy theorist and YouTuber has taken a spirit level onto a plane to “prove” that Earth is flat once and for all. His "experiment" has since gone viral, just not in the way that he'd hoped.

YouTube conspiracy theorist D. Marble took a flight from Northern Carolina to Seattle in order to “monitor whether or not the pilot would dip the nose of the plane to compensate for curvature”. He and some of his followers believe his video, below for your entertainment pleasure, proves that Earth is flat.

“I recorded a 23 minute and 45 seconds time-lapse, which by those measurements means the plane traveled a little over 203 miles," he explained in his video. "According to curvature math given to explain the globe model, this should have resulted in the compensation of 5 miles of curvature. As you'll see there was no measurable compensation for curvature."
"Understand that gravity is a still just a theory," he goes on to say. "No more defending what we know to be true! Now we take the fight to the enemy! #FEOffensive.”

The video has been shared by several flat Earth societies, including Flat Earth ActivismGod's Flat Earth and various other globe-deniers around the globe. Yep, that joke never gets old.

Commenters on the video have embraced it as proof that the Earth is flat, and billions of people are involved in a conspiracy to cover it up.

However, over on Twitter, it has been met with a bit more healthy skepticism, and people have taken the time to point out some key flaws in his experiment.

Amazingly, there are countless Facebook pages, YouTube channels, and forums dedicated to claiming the Earth is flat, something that humans disproved back in the times of the Ancient Greeks. It even has some celebrity supporters.

If you believe the world to be flat, here's a helpful reminder of why it's not, or perhaps try booking a flight to wherever it is you think the world ends, and have a look for yourself. Be sure to upload your results to YouTube.


  1. Replies
    1. Yeah, he's got a pretty great sense of humor.
      And he's right.

  2. You'd be better off using a gyroscope that actually shows a "level" like you are imagining.
    Like all fluid, flying aircraft, spirit levels and piles of dog biscuits; no matter where you are on the globe they will always fall to the centre of the planet. A gyro will try to maintain a constant state or "level" in space, which will show you how far around the globe you have traveled.

    Thats why pilots on use a level for turns or accelerations (as that's all it will show you), for "position on the globe" youll have to use a gyro.

  3. Gyroscopes only work on a level plane ;) 8 inches per mile squared to measure Curve has never been recorded.

  4. Well done dumb arse proved your table is flat

  5. That the Earth is flat is "something that humans disproved back in the times of the Ancient Greeks" is a total LIE. 

  6. It is flat ya morons....builders levels prove the law of nature that all liquids sit flat...brainwashed the lot of u....too much TV...

  7. So, if I place a drop of water on a flat surface, it will not go flat, due to surface tension. Doesn't this alone disprove the narrative that "all liquids sit flat"?


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