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  2. Quiet PC - Wikipedia

    en.wikipedia.org/wiki/Quiet_PC

    A 120 mm variable speed fan. If they use fans at all, quiet PCs typically use larger-than-usual low-speed fans with quiet-running motors and bearings. The 120 mm size is common, and 140 mm fans are used where cases or heat sinks allow them. Quiet fan manufacturers include Nexus, EBM-Papst, [30] Yate Loon, Scythe, [31] and Noctua. [32]

  3. dB drag racing - Wikipedia

    en.wikipedia.org/wiki/DB_drag_racing

    dB drag racing is a competition rewarding the person who can produce the loudest sound inside a vehicle. [1] [2] The "dB" means decibels of sound pressure level (SPL).In these competitions, SPL of over 140 decibels is common; and the international record in 2003 was 171.5 dB, with records as high as 180 dB claimed more recently.

  4. Long-range acoustic device - Wikipedia

    en.wikipedia.org/wiki/Long-range_acoustic_device

    Acoustic hailing devices have an output of 135 decibels (dB) or greater. The acoustic level of the source is commonly expressed in terms of Sound Pressure Level or SPL. SPL is a logarithmic measure of the rms sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level. For reference ...

  5. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Noise regulation - Wikipedia

    en.wikipedia.org/wiki/Noise_regulation

    A "quiet zone" sign, indicating that "no person operating any vehicle within the zone shall sound the horn or other warning device of the vehicle, except in an emergency" [1] Noise regulation includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government.

  7. Florida sues FEMA, alleging discrimination against Trump ...

    www.aol.com/news/florida-sues-fema-alleging...

    Florida's attorney general said on Thursday she filed a lawsuit against the U.S. Federal Emergency Management Agency for allegedly discriminating against hurricane victims who supported President ...

  8. Decibel - Wikipedia

    en.wikipedia.org/wiki/Decibel

    The decibel originates from methods used to quantify signal loss in telegraph and telephone circuits. Until the mid-1920s, the unit for loss was miles of standard cable (MSC). 1 MSC corresponded to the loss of power over one mile (approximately 1.6 km) of standard telephone cable at a frequency of 5000 radians per second (795.8 Hz), and matched closely the smallest attenuation detectable to a ...

  9. Dog Trainer Explains How to Tell if Your Dog Is Too Cold ...

    www.aol.com/dog-trainer-explains-tell-dog...

    Great information for the upcoming winter season. Baby, it's getting cold outside, and your dog can feel it, too. Google searches for ‘winter clothes for dogs’ have increased +47% as pet ...