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Todd Hoff
How to build a Dyson sphere in five (relatively) easy steps - http://ieet.org/index...
How to build a Dyson sphere in five (relatively) easy steps
"Think again: We are closer to being able to build a Dyson Sphere than we think. In fact, we could conceivably get going on the project in about 25 to 50 years, with completion of the first phase requiring only a few decades. Yes, really. Now, before I tell you how we could do such a thing, it’s worth doing a quick review of what is meant by a “Dyson sphere”." - Todd Hoff from Bookmarklet