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⇒ Flat-Earth: Finding the curvature of the Earth 
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For us living beings on the surface of the earth, the earth looks flat. For this reason the so-called Flat-Earther (FE) claim that the earth is a flat disc rather than a globe.

With the help of a simulation, I show up to what altitudes the earth appears flat, although it actually has a spherical shape. I prove by means of photos, how the simulation shows the actual conditions, by superimposing the simulation results onto photos.

 Deutsche Version: Wie stark ist die Krümmung der Erde?

Thursday, August 10, 2017 - 01:24 | Author: wabis | Topics: FlatEarth, Knowlegde, Animation, Interactive | Comments(9)
⇒ The True Face of the Earth, Camera Distance matters 
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On different images of the earth from space the continents appear in different sizes, as in the picture above North America from 2002 and 2012. This has to do with Perspective and the distance of the camera from the Earth. Here I show in an animation how this effect works.

 Deutsche Version: Das Wahre Gesicht der Erde, Kameradistanz spielt eine Rolle

Friday, July 21, 2017 - 01:21 | Author: wabis | Topics: FlatEarth, Knowlegde, Animation, Geometry
⇒ Distances on Globe and Flat Earth 
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Flat Earth and Globe Earth are two models for the earth that are very different in geometry. In order to decide which model matches reality, we can calculate the shortest distance between two points for both models and check which distance corresponds to reality.

I derive the formulas to compute the distance between two points for both models. The computations can be carried out using a calculation form. An example is then used to decide which model corresponds to reality.

Tuesday, May 23, 2017 - 21:27 | Author: wabis | Topics: FlatEarth, Geometry, Mathematic, Interactive
⇒ Centrifugal and Gravitational Acceleration in an Aircraft 
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In a fast-flying aircraft, a maximum centrifugal acceleration acts away from the earth so that a part of the earth's attraction force is canceled out and therefore one is slightly lighter in the aircraft than on the ground.

In this article, this effect can be calculated with a calculation form. The calculation is verified by means of a real flight. In addition, all the formulas used are listed and explained.

 Deutsche Version: Zentrifugal- und Gravitationsbeschleunigung in einem Flugzeug

Wednesday, January 25, 2017 - 00:08 | Author: wabis | Topics: FlatEarth, Knowlegde, Aviatic, Mathematic
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