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Old 12-04-2015, 02:50 PM   #9 (permalink)
freebeard
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It's easier for me to comprehend the 20-kilometer tower:

https://en.wikipedia.org/wiki/ThothX_Tower


http://tribune.com.pk/story/940215/20-km-high-space-elevator-could-be-a-reality-soon/

It relies on buoyancy rather than tension. You could fly each section into place.
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