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March 2022    Download the Entire Issue (PDF) Vol. 37, No. 3   RSS Feed for Undercurrent Issues
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Is This the End of the BCD?

technology replacing simple physics?

from the March, 2022 issue of Undercurrent   Subscribe Now

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At each annual Dive Equipment and Marketing show, I look for what I call "The One DEMA Product." There's always someone optimistically offering a new revolutionary device that they hope with both revolutionize scuba diving and make them a fortune along the way. Few of these "innovations" show up at the next DEMA show, and presumably, their proponents are left disappointed. Next year, this year's well-promoted innovation may be no exception.

As you know, a buoyancy compensator works by increasing or decreasing the displacement of the diver and his gear, altering the volume of gas in the BCD by adding or releasing air....


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