Who is supposed to worry about hydrodynamic instabilities initiated at every interface with different density materials, growing an interacting during the implosion and finally causing mix?

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Disregard, too, the fact that that the Russians routinely conduct underground "hydrodynamic" tests Mr. Obama considers to be impermissible under the CTBT - and therefore eschews.

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In homage to the Surrealists, Louboutin once created a pair of pumps with a hydrodynamic shape, a bulging eye above the pinkie toe, and tessellating rows of black and gold scales the foot as a fish.

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