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  2. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    This includes their headphones, earbuds and speakers even if they’re already marked down. All you have to do is use the code: MARCH20 at checkout and place your order before March 15, which is...

  3. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP.

  4. Hydrogen peroxide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_peroxide

    Hydrogen peroxide ( H2O2) is a nonplanar molecule with (twisted) C 2 symmetry; this was first shown by Paul-Antoine Giguère in 1950 using infrared spectroscopy. [9] [10] Although the O−O bond is a single bond, the molecule has a relatively high rotational barrier of 386 cm −1 (4.62 kJ / mol) for rotation between enantiomers via the trans ...

  5. Adderall - Wikipedia

    en.wikipedia.org/wiki/Adderall

    Adderall is commonly used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy (a sleep disorder).. ADHD. Long-term amphetamine exposure at sufficiently high doses in some animal species is known to produce abnormal dopamine system development or nerve damage, but, in humans with ADHD, long-term use of pharmaceutical amphetamines at therapeutic doses appears to improve brain ...

  6. Roblox - Wikipedia

    en.wikipedia.org/wiki/Roblox

    In March 2024, Roblox introduced two tools to speed up 3D content creation: automatic avatar customisation and a texture generator. Avatar customisation automatically converts 3D body meshes into live animated avatars.

  7. 20 (number) - Wikipedia

    en.wikipedia.org/wiki/20_(number)

    Twenty is a pronic number, as it is the product of consecutive integers, namely 4 and 5. [3] It is the third composite number to be the product of a squared prime and a prime (and also the second member of the 22 × q family in this form). It has an aliquot sum of 22; a semiprime, within an aliquot sequence of four composite numbers (20, 22, 14 ...

  8. Safari (web browser) - Wikipedia

    en.wikipedia.org/wiki/Safari_(web_browser)

    e. Safari is a web browser developed by Apple. It is built into Apple's operating systems, including macOS, iOS, iPadOS and visionOS, and uses Apple's open-source browser engine WebKit, which was derived from KHTML . Safari was introduced in Mac OS X Panther in January 2003. It has been included with the iPhone since the first generation iPhone ...

  9. Enhanced Fujita scale - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Fujita_scale

    The Enhanced Fujita scale (abbreviated as EF-Scale) rates tornado intensity based on the severity of the damage they cause. It is used in some countries, including the United States, Canada [1], France [2], and Japan [3]. The EF scale is also unofficially used in other countries including China [4]. The scale has the same basic design as the ...

  10. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_code

    The message is encoded using a (255,248) Reed Solomon code (shortened to (26,19) code by using "padding") that can correct up to 2 byte-errors. A total of 26 code-words consist of 7 error-correction bytes, and 17 data bytes, in addition to the "Len" (8 bit field), "Enc" (4 bit field), and "End" (4 bit field).

  11. Copper - Wikipedia

    en.wikipedia.org/wiki/Copper

    Copper alloys are widely used in the production of coinage; seen here are two examples - post-1964 American dimes, which are composed of the alloy cupronickel and a pre-1968 Canadian dime, which is composed of an alloy of 80 percent silver and 20 percent copper.