[ExI] The Great Silence again

[Stefano Vaj]

On 2 May 2011 15:38, Keith Henson <hkeithhenson at gmail.com> wrote:
> No, but if it is a few hundred nanometers thick, the light pressure
> will keep it in place.

OK, let us say in conclusion that there is no way to create a Dyson
sphere in the style of a "concave Earth", with people walking on the
internal surface in a more or less normal fashion but seeing the
horizon slip upwards...

-- 
Stefano Vaj