On Sunday, November 17, 2013 8:34:16 PM UTC-8, richard wrote:
> On Sun, 17 Nov 2013 14:10:34 -0800 (PST), Carl Rogers wrote:
>
>
>
<snip>


> What goes around comes around.
> Actually, that was the basis of the New York city subway system.
> An inventor had come up with the idea of transporting people in pods
> underground. Using compressed air.
>
> The city built a 3 mile test section and the damn thing actully worked.
> However, the conception of a pod moving at 800mph ain't gonna fly.
> pardon the pun.
>
> Why? Because most people could not withstand the force such movement would
> generate at ground level.

<snip>

??? What force would there be at ground level but not up higher? The only "force" felt by the passengers would be g forces involved in acceleration/deceleration - once up to speed (or slowed down) the passengers would feel no force at all.

Harry K