Re: (TFT) The shape of Cidri

[Rick Smith <rsmith@lightspeed.ca>]

Nice job of thinking thru the physics
of a hollow world.

Rick

On Fri, 2006-02-03 at 22:14, Scott Haley wrote:
> I thought of a way that Cidri could have vastly greater surface area  
> than the Earth while still having about one gee of gravity.  I  
> picture Cidri as a great sphere with a ball of anti-gravity material  
> in the center.  The ball pushes matter away instead of attracting it  
> as regular matter does.  Standing on the surface of Cidri, the "down"  
> vector of Cidri's gravity minus the "up" vector from the anti-gravity  
> ball cancels out to an earth-like gravity field.  At the core of  
> Cidri, the repelling field created by the ball would make a hollow  
> space, with the ball floating in the center of that.  In Cidri's  
> core, the ball makes things fall up towards the surface, so there may  
> be people walking around on the inside surface of Cidri.
> 
> Maybe the presence of this big chunk of exotic matter is what makes  
> magic possible on Cidri.
> 
> --Scott
> =====
> Post to the entire list by writing to tft@brainiac.com.
> Unsubscribe by mailing to majordomo@brainiac.com with the message body
> "unsubscribe tft"
=====
Post to the entire list by writing to tft@brainiac.com.
Unsubscribe by mailing to majordomo@brainiac.com with the message body
"unsubscribe tft"