h a l f b a k e r yFewer ducks than estimates indicate.
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Or to give its full name, the Tesla's Valvular Conduit.
Choose from one ginormous one, or lots of little ones, in a block.
No, I'm not trying this one out myself.
Tesla's Valvular Conduit
https://en.wikipedia.org/wiki/Tesla_valve
[not_morrison_rm, Mar 19 2017]
[link]
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Ah yes, I can completely see the point of this. It's cunningly designed so that when you're descending, the Valvular Conduit blocks the flow of air, much like a normal round 'chute. But when you find yourself falling upwards, as happens from time to time, the air passes easily through and you are not impeded. |
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Obviously not of much use in those parts of the world where the gravity only points downward, but elsewhere it would be a real boon. |
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Possibly bolt about a thousand together in the shape of an airfoil and glide to the ground? |
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Of course, a Tesla valve driven rapidly up and down should generate lift. |
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We will pay a dollar, cash money, to see that. |
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<ostentatiously places very used, dirty, crumpled US one-dollar bill on table, in puddle of spilled beer> |
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<drinks remainder of [8th]'s pint; leaves him to retrieve his now sodden life savings> |
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<ponders challenge>
<...and lotto winning odds> |
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