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#1
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Re: Light Sail
There is a great sci-fi book written by Larry Nevin, "The Mote in God's Eye", which involves interstellar travel using a light sail. In the book they used planet based lasers to propel the sail.
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#2
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Re: Light Sail
A month or two ago, the National Geographic had a small article that referenced the folding of the sail before deployment to an origami technique. It was reported that the geometric folding would prevent fouling the sail during deployment.
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