A inflatable tower reaching 20 km above sea level could save on rocket launches and provide an amazing view (Image: NASA) A 7-metre-tall demonstration tower stands in a stairwell (Image: Thoth Technology Inc)
A GIANT inflatable tower could carry people to the edge of space without the need for a rocket, and could be completed much sooner than a cable-based space elevator, its proponents claim.
Inflatable pneumatic modules already used in some spacecraft could be assembled into a 15-kilometre-high tower, say , Raj Seth and George Zhu at in Toronto, Canada,
