[ExI] Inflatable tower could climb to the edge of space

[Dave Sill]

>From the New Scientist article:

"The team envisages assembling the structure from a series of modules
constructed from Kevlar-polyethylene composite tubes made rigid by
inflating them with a lightweight gas such as helium."

So the idea of using a lifting gas isn't new.

Also, here's a picture of their model:

http://www.newscientist.com/data/images/ns/cms/mg20227117.000/mg20227117.000-3_600.jpg

-Dave