[MEDIA] Source: https://www.youtube.com/watch?v=9fJBrCs6VXM In this video a Flat Earther called "Dr. John" shares his observations of the...
[MEDIA] Source: https://www.youtube.com/watch?v=ookTfBP5sUU When you shine a laser beam across the surface of a lake, it is very prone to...
Please find attached an excel spreadsheet containing a calculator which works out the viewing (elevation) angles for an observer of a given height...
Perspective is difficult, both to understand and to explain. This was recently brought home to me listening to flat earthers Nathan Oakley and...
https://planetruthblog.files.wordpress.com/2017/03/16298924_374575762915001_5952359865149692457_n.jpg [ATTACH]...
The gyrocompass was invented before WW1 and sees service on every submarine and big iron ship, where a magnetic compass would be unreliable or...
My google-fu has let me down on this one, so I'm asking the smarter crowd! I'm familiar with the inverse-square law as it applies to light fall...
I've been working on a calculator that outputs the predicted visible amount of a distant landmark when there's an obstruction above the horizon,...
Here is a lovely shot of mountains in Oregon and Washington taken from the summit of South Sister in January 2007: [ATTACH] Source:...
Recent flat earth hero JTolan has uploaded a video of the moon shot using an 830nm infrared filter, and happened to catch what he says "appears to...
[ATTACH] Flat earth folk seem to have no problem in visualizing the flat earth like this, as a disk, with the sun rotating around it. But if...
[IMG] ...I don't know how these images work yet -- I'm still learning!... [IMG] The first one (above) was not taken using a solar filter so...
By simply observing how much of an object is hidden by the ocean (or lake) horizon we can calculate the radius of the Earth. Take the three...
Just stumbled on this vid showing away to prove the oblate spheroid nature of the Earth using hi-rez images from the Himawari 8 satalite. [MEDIA]
In another thread - as well as here - we've been talking again about recreating the Bedford Levels Experiment. A lot of new and useful information...
heres an idea: let's take 53 -100ft garden hoses and hook em together. find 2 miles of relatively flat ground(the flatter the easier) from a...
FLAT EARTH SHOCK: Third of millennials NOT convinced Earth is round Despite overwhelming evidence that Earth is a spherical globe-shape,...
[ATTACH] No doubt this video will keep coming up. I've already had to delete two threads for not following the posting guidelines. The video...
[MEDIA] Source: https://www.instagram.com/p/BdGH9ABB6yP/ This is a flatearth meme someone posted on Instagram that I haven't seen before. The top...
[ATTACH] This article starts out praising the usefulness of YouTube, then has a brief diversion in YouTube videos as evidence of Satanic Abuse,...
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