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  2. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than ...

  3. Apple headphones - Wikipedia

    en.wikipedia.org/wiki/Apple_headphones

    Apple Inc. has produced and sold headphones since 2001, available for standalone purchase and bundled with iPhone (until 2020) and iPod (until 2022) products. Apple's current product line consists of EarPods (wired earbuds available with a 3.5mm headphone or Lightning connector or USB-C), AirPods and AirPods Pro (wireless Bluetooth earbuds ...

  4. ICD-9-CM Volume 3 - Wikipedia

    en.wikipedia.org/wiki/ICD-9-CM_Volume_3

    ICD-9-CM Volume 3. ICD-9-CM Volume 3 is a system of procedural codes used by health insurers to classify medical procedures for billing purposes. It is a subset of the International Statistical Classification of Diseases and Related Health Problems (ICD) 9-CM. Volumes 1 and 2 are used for diagnostic codes.

  5. Israel rattled by talk that Netanyahu may replace defence ...

    www.aol.com/news/israel-rattled-talk-netanyahu...

    September 16, 2024 at 8:34 AM. By Steven Scheer. JERUSALEM (Reuters) - Reports that Israeli Prime Minister Benjamin Netanyahu was considering firing Defence Minister Yoav Gallant shook the ...

  6. Electronic waste - Wikipedia

    en.wikipedia.org/wiki/Electronic_waste

    In 2016, Asia was the territory that had the most extensive volume of e-waste (18.2 Mt), accompanied by Europe (12.3 Mt), America (11.3 Mt), Africa (2.2 Mt), and Oceania (0.7 Mt). The smallest in terms of total e-waste made, Oceania was the largest generator of e-waste per capita (17.3 kg/inhabitant), with hardly 6% of e-waste cited to be ...

  7. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    Viète. de Moivre. Euler. Fourier. v. t. e. In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.

  8. Principal component analysis - Wikipedia

    en.wikipedia.org/wiki/Principal_component_analysis

    Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing. The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.

  9. Georgia (U.S. state) - Wikipedia

    en.wikipedia.org/wiki/Georgia_(U.S._state)

    70–80%. Population density by census tract in the state of Georgia, 2018. The United States Census Bureau reported Georgia's official population to be 10,711,908 as of the 2020 United States census. This was an increase of 1,024,255, or 10.57% over the 2010 figure of 9,687,653 residents.