Get a three-minute primer on Roger Angel's plan to protect Earth from the sun's harmful rays by constructing a large "shield" made of the thinnest lenses ever created.
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Discovery Project Earth: Space Sunshield in a Nutshell
Get a three-minute primer on Roger Angel's plan to protect Earth from the sun's harmful rays by constructing a large "shield" made of the thinnest lenses ever created.
Added: Sep 10, 2008
Views: 11880 Views
Runtime: 02:42
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