Design News - April 22, 2002

Cover Story

Ask anyone what sound a helicopter makes and he or she will usually reply by making a characteristic "whup, whup, whup" sound. Now a team of NASA and industry engineers working at the agency's Ames Research Center is looking into methods of quieting that sound and damping vibrations.

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Design News Partner Zones

Light Matters: The Unsung Heroes of Modern Health Care
First, let's define "no-compromise." In an ideal configuration, this lamp would use a high-brightness LED (HBLED) that is built into a small, integrated package and is able to produce a large quantity of focused light, operate with a high level of reliability and generate no audible noise. Is this difficult? Yes, but it is possible.
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Design Engineers' Portal for Sensing and Machine Safety
Whatever industry you're in, or whatever product you manufacture, the right sensors to automate your plant, and to improve your overall efficiency, quality and safety are a must. You'll find Banner Engineering to be an amazing resource of products, training and people with expertise.