🚀 go-pugleaf

Original to: Henry@Zoo.Toronto.Edu
 henry@zoo.toronto.edu (Henry Spencer) wrote:


 h> Depends on the level of technology used to build it.  Dyson's original
 h> concept -- a cloud of smaller habitats individually in orbit --
obviously
 h> did.  The problem with a solid sphere is, what *holds it up*?  Even if
 h> you spin it, that only supports the equator -- what keeps the poles from
 h> falling inward?

 The SF writer Jack Williamson wrote about a design for a Dyson Sphere
 he did for a novel with Frederik Pohl. He proposed to surround the star
 with several layer of ring shaped tubes. The tubes would have a
 low-viscosity fluid flowing fast enough so centrifugal force would hold
 everthing up.

 ta
 Ralph Buttigieg

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