response 1 Michael Dam Olsen 2025-03-14 | Response to the sunrise / sunset challenge from Flat Earth Math:youtube.com/watch?v=bqonMAmlsRI
ICST vs Corey Kell - Brief Response Michael Dam Olsen 2022-02-01 | This is a brief review of the Corey Kell 45 Sector Test, in response to the following video from I Can Science That:youtube.com/watch?v=3I6wgFNf3o8&t=547s&ab_channel=ICanScienceThatCredits:Music by Kevin McLeod - incompetech.filmmusic.io/song/4610-water-prelude- The rest to follow once I get the list together.
Eccentric Insolation - The Ultimate Reductionist Michael Dam Olsen 2021-11-07 | On a recent SciManDan video: youtube.com/watch?v=33AMn8OD81s&ab_channel=SciManDan The Ultimate Reductionist made the following interesting comment: "One can consider FE as the extreme limit of the eccentricity, e, of earth's ellipsoidal shape, going to 1. One should be able to calculate how sunlight would fall on an ellipsoidal planet with arbitrary eccentricity, e, and then compare/contrast that to reality. If one were to do that, one would discover earth has very low e-value."This video is an attempt at visualizing their suggestion. A couple of things to note:- The insolation is calculated as coming from a distance point source, using parallel light rays.- There are several different ways to calculate the direction to the Sun at any given time. I have chosen to calculate the point where the Sun is actually observed directly above head at the given moment, and raising a surface normal at that point. My choice was based on what is readily observed by amateur scientists in reality.- The surface distances of the latitudes are uneven, slightly stretched at the poles and slightly compressed at the equator. This can be corrected mathematically, but required more code changes than I was able to make with the available time.- I have not taken any atmospheric effects into consideration, not even the "standard refraction", because the effect is so small compared to the geometric effect being illustrated.
3D Sim of Solstice data from I Can Science That - Globe Earth Michael Dam Olsen 2021-06-29 | I Can Science That took it upon himself to conduct a measurement experiment where he invited viewers to submit shadow lengths from all over the world. Both flat Earth and globe Earth community members were welcomed. I decided to fidget with a 3D representation of the data and show how it looks then simulated on a globe Earth. My previous video has the same sort of animations for the flat Earth: youtu.be/M9UUEEMlObU*Credits:*Programming and modeling by Michael Dam Olsen using the following resources:*Inspiration*I Can Science That - YouTube Channel - youtube.com/channel/UC_FH_YLAQjG4ZiKisRSK5iAI Can Science That - Initiating Video - youtube.com/watch?v=AKTzNtvfkvU&t=5s&ab_channel=ICanScienceThatI Can Science That - Presenting the data - youtube.com/watch?v=KXjz16wRUq0&ab_channel=ICanScienceThatAnonymized dataset available in the description of the last video mentioned.There are intermediate videos too, discussing the intended analysis, and an example of performing the measurement. His whole channel is highly recommended!*Initial experiments*Mockups - Blender 2.83 - blender.orgScripting - Python 3.7.4 - python.orgCalculations - pyMeeus - pypi.org/project/PyMeeus*Drafts and notes*Notepad++ - Don Ho - notepad-plus-plus.org/downloads*IDE & C++ Compiler*Microsoft Visual Studio 2019 - visualstudio.microsoft.com*3D GPU graphics engine*OpenGL 4.60 standards - khronos.orgGLAD C++ encapsulation - https://glad.dav1d.de/GLFW 3.4 Platform specifics - glfw.orgImGUI for small user interface - github.com/ocornut/imguiGLM 0.9.9 Linear Algebra for OpenGL types - glm.g-truc.net/0.9.9/index.htmlSOIL2 texture loader - github.com/SpartanJ/soil2*Astronomical calculations*AA+ library by PJ Naughter - http://www.naughter.comOriginal formulas - Astronomical Algorithms, Jean Meeus - willbell.com/math/mc1.HTMVerification of implementation - Jay Tanner - neoprogrammics.com/de405_usno_ae98/DE405_Sun.phpFlat Earth model - Zetetic Astronomy, S.B. Rowbotham - https://eindtijdinbeeld.nl/EiB-Holle%20aarde/Zetetic%20Astronomy%20-%20Earth%20Not%20a%20Globe%20-%20Samuel%20Birley%20Rowbotham%20-%201881.pdf*Fonts*Montserrat font (in text overlay) - Julieta Ulanovsky github.com/JulietaUla/MontserratCourier New (in small user interface) - Adrian Frutiger and Microsoft - docs.microsoft.com/en-us/typography/font-list/courier-new*Textures*Earth daytime - NASA Blue Marble - visibleearth.nasa.gov/collection/1484/blue-marbleEarth nighttime - NASA Black Marble - visibleearth.nasa.gov/images/144898/earth-at-night-black-marble-2016-color-maps/144945lSun - solarsystemscope.com/texturesStar map - NASA Visualization Studio - svs.gsfc.nasa.gov/4851Conversions - IrfanView 4.52 - irfanview.comEditing - GIMP 2.10 - gimp.org*Measurement data manipulation*Angles in azimuth & elevation + export CSV - Microsoft Excel - microsoft.com/en-us/microsoft-365*Video editing*DaVinci Resolve 17 - Black Magic Design - blackmagicdesign.com/products/davinciresolve*Background music*Anguish - Kevin MacLeod - incompetech.filmmusic.io/song/3388-at-rest*Obvious references*Video hosting - YouTube - youtube.comBrowser for research - Google Chrome - google.com/chromeOperating System - Microsoft Windows 10 - microsoft.com/en-us/windows/get-windows-10
Rusty the Robot Bear - Sim of FE Sun Direction Michael Dam Olsen 2021-06-25 | Rusty suggested that we compare the predicted FE Sun directions to the measurements taken on Matt's channel (see previous video).The problem is that FE doesn't have a model that can be used to calculate the Sun position or direction at any time of day/year. So I made two simple assumptions:1) The Sun is directly above the subsolar point.2) The Sun is a physical object at some height above the ground at any given time.Although these assumptions seem fairly reasonable, there are people disputing either or both with great vigor but no data.
3D Sim of Solstice data from I Can Science That - Flat Earth Michael Dam Olsen 2021-06-24 | I Can Science That took it upon himself to conduct a measurement experiment where he invited viewers to submit shadow lengths from all over the world. Both flat Earth and globe Earth community members were welcomed. I decided to fidget with a 3D representation of the data and a bit of explanation of the constraints on collecting the data.There is a follow-up video that maps the data on a globe Earth now: youtu.be/BO7GmwBPQJUHere is a full playlist I created: youtube.com/playlist?list=PLsvopOujxUs4k5ukSfCQ4cGKi3zxT_KTB*Credits:*Programming and modeling by Michael Dam Olsen using the following resources:*Inspiration*I Can Science That - YouTube Channel - youtube.com/channel/UC_FH_YLAQjG4ZiKisRSK5iAI Can Science That - Initiating Video - youtube.com/watch?v=AKTzNtvfkvU&t=5s&ab_channel=ICanScienceThatI Can Science That - Presenting the data - youtube.com/watch?v=KXjz16wRUq0&ab_channel=ICanScienceThatAnonymized dataset available in the description of the last video mentioned.There are intermediate videos too, discussing the intended analysis, and an example of performing the measurement. His whole channel is highly recommended!*Initial experiments*Mockups - Blender 2.83 - blender.orgScripting - Python 3.7.4 - python.orgCalculations - pyMeeus - pypi.org/project/PyMeeus*Drafts and notes*Notepad++ - Don Ho - notepad-plus-plus.org/downloads*IDE & C++ Compiler*Microsoft Visual Studio 2019 - visualstudio.microsoft.com*3D GPU graphics engine*OpenGL 4.60 standards - khronos.orgGLAD C++ encapsulation - https://glad.dav1d.de/GLFW 3.4 Platform specifics - glfw.orgImGUI for small user interface - github.com/ocornut/imguiGLM 0.9.9 Linear Algebra for OpenGL types - glm.g-truc.net/0.9.9/index.htmlSOIL2 texture loader - github.com/SpartanJ/soil2*Astronomical calculations*AA+ library by PJ Naughter - http://www.naughter.comOriginal formulas - Astronomical Algorithms, Jean Meeus - willbell.com/math/mc1.HTMVerification of implementation - Jay Tanner - neoprogrammics.com/de405_usno_ae98/DE405_Sun.phpFlat Earth model - Zetetic Astronomy, S.B. Rowbotham - https://eindtijdinbeeld.nl/EiB-Holle%20aarde/Zetetic%20Astronomy%20-%20Earth%20Not%20a%20Globe%20-%20Samuel%20Birley%20Rowbotham%20-%201881.pdf*Fonts*Montserrat font (in text overlay) - Julieta Ulanovsky github.com/JulietaUla/MontserratCourier New (in small user interface) - Adrian Frutiger and Microsoft - docs.microsoft.com/en-us/typography/font-list/courier-new*Textures*Earth daytime - NASA Blue Marble - visibleearth.nasa.gov/collection/1484/blue-marbleEarth nighttime - NASA Black Marble - visibleearth.nasa.gov/images/144898/earth-at-night-black-marble-2016-color-maps/144945lSun - solarsystemscope.com/texturesStar map - NASA Visualization Studio - svs.gsfc.nasa.gov/4851Conversions - IrfanView 4.52 - irfanview.comEditing - GIMP 2.10 - gimp.org*Measurement data manipulation*Angles in azimuth & elevation + export CSV - Microsoft Excel - microsoft.com/en-us/microsoft-365*Video editing*DaVinci Resolve 17 - Black Magic Design - blackmagicdesign.com/products/davinciresolve*Background music*At Rest - Kevin MacLeod - incompetech.filmmusic.io/song/3388-at-rest*Obvious references*Video hosting - YouTube - youtube.comBrowser for research - Google Chrome - google.com/chromeOperating System - Microsoft Windows 10 - microsoft.com/en-us/windows/get-windows-10*Other links of interest:*Equation of Time: en.wikipedia.org/wiki/Equation_of_timeAzimuth & Elevation: en.wikipedia.org/wiki/Horizontal_coordinate_system
For Brians Logic Michael Dam Olsen 2020-12-10 | A quick animation calculated in multiple coordinate systems.
