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  2. White noise machine - Wikipedia

    en.wikipedia.org/wiki/White_noise_machine

    A white noise machine is a device that produces a noise that calms the listener [citation needed], which in many cases sounds like a rushing waterfall or wind blowing through trees, and other serene or nature-like sounds. Often such devices do not produce actual white noise, which has a harsh sound, but pink noise, whose power rolls off at ...

  3. Honeywell 6000 series - Wikipedia

    en.wikipedia.org/wiki/Honeywell_6000_series

    The Honeywell 6000 series computers were rebadged versions of General Electric's 600-series mainframes manufactured by Honeywell International, Inc. from 1970 to 1989. Honeywell acquired the line when it purchased GE's computer division in 1970 and continued to develop them under a variety of names for many years.

  4. Acoustic quieting - Wikipedia

    en.wikipedia.org/wiki/Acoustic_quieting

    The sounds of gas bubbles imploding is the source of the noise. Ships and submarines which have screws that cavitate are more vulnerable to detection by sonar . Preventing water hammer : In hydraulics and plumbing , water hammer is a known cause for the failure of piping systems.

  5. Why Geiger Counters Make That Iconic Clicking Noise While ...

    www.aol.com/lifestyle/why-geiger-counters-iconic...

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  6. Honeywell - Wikipedia

    en.wikipedia.org/wiki/Honeywell

    Honeywell International Inc. is an American publicly traded, multinational conglomerate corporation headquartered in Charlotte, North Carolina.It primarily operates in four areas of business: aerospace, building automation, industrial automation, and energy and sustainability solutions (ESS). [2]

  7. Garrett TFE731 - Wikipedia

    en.wikipedia.org/wiki/Garrett_TFE731

    The Garrett TFE731 (now Honeywell TFE731) is a family of geared turbofan engines commonly used on business jet aircraft. Garrett AiResearch originally designed and built the engine, which due to mergers was later produced by AlliedSignal and now Honeywell Aerospace .

  8. Poppet valve - Wikipedia

    en.wikipedia.org/wiki/Poppet_valve

    The word poppet shares etymology with "puppet": it is from the Middle English popet ("youth" or "doll"), from Middle French poupette, which is a diminutive of poupée.The use of the word poppet to describe a valve comes from the same word applied to marionettes, which, like the poppet valve, move bodily in response to remote motion transmitted linearly.

  9. 8 white noise machines for better sleep - AOL

    www.aol.com/news/8-white-noise-machines-better...

    This simple white noise machine offers ten fan sounds and ten ambient noise variations (including white, pink and brown noise). It is powered by either AC or USB and you can adjust the volume with ...