When it comes to hydraulic equipment, noise apparently does matter—enough so that many design engineers would be willing to pay extra to reduce sound levels. In a recent Design News survey, 74% of the respondents say that they are willing to shell out dough to delete decibels their hydraulic applications. Most important? Those environments that involve people working around hydraulics for a significant amount of time. OSHA's workplace requirement is 70 dBA.
George Leopold's talk at last week's Design & Manufacturing Minneapolis helped restore astronaut and engineer Gus Grissom's role in the beginnings of NASA, and outlined how Grissom played a pivotal role in winning the Space Race.
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