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We like the think the Earth has a lot of texture: mountains, valleys, trenches, rock, grass, water. But is human touch sensitive enough to detect these features? Let's find out with some scale models.

00:00 Cold Open
00:48 Oblate Spheroids
01:42 Earth's Geoid
02:21 How Tall Are Mountains?
04:03 Failed Scale Models
05:04 Million to One Scale
07:52 Human Touch
09:40 Summary
10:07 Outro
10:43 Sponsor Message
11:50 Featured Comment

Nick Lucid - Host/Writer/Editor/Animator
Vanessa R Bradley - Thumbnail
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VIDEO ANNOTATIONS/CARDS

How many Earths fit in the Sun?
   • I proved 1.3 million Earths DON'T fit...  

Solar System Model:
   • The Craziest Solar System Model EVER!  
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RELATED YOUTUBE VIDEOS

Tom Scott on Mountains:
   • What counts as a mountain?  

MinutePhysics on Sea Level:
   • What is Sea Level?  
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OTHER SOURCES

https://imagine.gsfc.nasa.gov/feature...
https://www.fai.org/news/statement-ab...
https://oceanservice.noaa.gov/facts/h...
https://www.nature.com/articles/srep0...
https://earthobservatory.nasa.gov/ima...
https://www.sensorsone.com/local-grav...
https://what-if.xkcd.com/46/
https://en.wikipedia.org/wiki/List_of...
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LINKS TO COMMENTS

Featured:
   • What the HECK is a Phasor? Alternatin...  

Oblate Spheroid:
   • I proved 1.3 million Earths DON'T fit...  
   • I proved 1.3 million Earths DON'T fit...  
   • I proved 1.3 million Earths DON'T fit...  
   • I proved 1.3 million Earths DON'T fit...  

Geoid:
   • I proved 1.3 million Earths DON'T fit...  
   • I proved 1.3 million Earths DON'T fit...  
   • I proved 1.3 million Earths DON'T fit...  
   • I proved 1.3 million Earths DON'T fit...  
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IMAGE CREDITS

Denali:
https://www.nps.gov/media/photo/view....

Geoid:
http://icgem.gfz-potsdam.de/vis3d/lon...

Mariana Trench:
https://oceanexplorer.noaa.gov/okeano...