Uploaded January 2026 | Updated September 2026, 3 weeks ago
This video takes a practical look at the shell theorem: gravity inside a hollow earth, focusing on the physics, the prediction, and what we should actually observe.
Here is the discord link:
discord.gg/yPUgFMSpZ7
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youtube.com/channel/UC68chxz-bc3e1gYq5WdfClA/join
Bob's Websites
Check them OUT:
Bob the Science Guy: youtube.com/user/drbob420
ResearchFlatMoon (the production channel):
youtube.com/c/ResearchFlatMoon
Slide Rules and Mathematics (STEM Education):
youtube.com/channel/UCEXa89aIdG222z8ADB0e7GA
Shamrock Banks Observatory:
youtube.com/c/CommonSenseScience
Bob
Bob the Science Guy
Science You Can Test
This video takes a practical look at the shell theorem: gravity inside a hollow earth, focusing on the physics, the prediction, and what we should actually observe.
Here is the discord link:
discord.gg/yPUgFMSpZ7
Join this channel to get access to perks:
youtube.com/channel/UC68chxz-bc3e1gYq5WdfClA/join
Bob's Websites
Check them OUT:
Bob the Science Guy: youtube.com/user/drbob420
ResearchFlatMoon (the production channel):
youtube.com/c/ResearchFlatMoon
Slide Rules and Mathematics (STEM Education):
youtube.com/channel/UCEXa89aIdG222z8ADB0e7GA
Shamrock Banks Observatory:
youtube.com/c/CommonSenseScience
Bob
Bob the Science Guy
Science You Can Test










