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Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.

Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
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332956
Kleindinst Thomas, N.
Rod Catanach holding the newly developed syntactic foam for Alvin upgrade.
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11/06/2008
graphics/Rod_Catanach/_TOM1840.jpg
Caption from Oceanus magazine, Vol. 48, No. 2, pg. 15:
WHOI engineer Rod Catanach is overseeing the development of new syntactic foam, the material used to provide buoyancy that allows Alvin to float back to the surface. The foam is made of a matrix of billions of microscopic hollow glass spheres embedded in a hard epoxy. It must withstand the crushing pressure at depths of 6,500 meters, or 4 miles.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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