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February 15, 2016

Alexander Graham Bell Flies a Kite... a BIG Kite


"The tetrahedral principle enables us to construct out of light materials solid frameworks of almost any desired form, and the resulting structures are admirably adapted for the support of aero-surfaces of any desired kind, size, or shape." -- Mashable

Posted by gerardvanderleun at February 15, 2016 9:49 AM. This is an entry on the sideblog of American Digest: Check it out.

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Sailboats in Space whizzing by at 10 times the speed of light on the solar winds.

Posted by: ghostsniper [TypeKey Profile Page] at February 15, 2016 6:30 PM

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