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  2. Electronic waste in the United States - Wikipedia

    en.wikipedia.org/wiki/Electronic_waste_in_the...

    Electronic Recyclers International, a small business that recycles electronic waste, began lobbying for more effective policies to combat e-waste in 2012. [93] Since e-waste regulations began passing state by state, electronics manufacturers have both lobbied against e-waste regulations and been very cooperative with regulations once passed.

  3. Electronic media - Wikipedia

    en.wikipedia.org/wiki/Electronic_media

    The primary electronic media sources familiar to the general public are video recordings, audio recordings, multimedia presentations, slide presentations, CD-ROM and online content. Most new media are in the form of digital media. However, electronic media may be in either analogue electronics data or digital electronic data format.

  4. Grayscale - Wikipedia

    en.wikipedia.org/wiki/Grayscale

    In digital photography, computer-generated imagery, and colorimetry, a greyscale (more common in Commonwealth English) or grayscale (more common in American English) image is one in which the value of each pixel is a single sample representing only an amount of light; that is, it carries only intensity information.

  5. Primary color - Wikipedia

    en.wikipedia.org/wiki/Primary_color

    In the literature relating to traditional color theory and RYB color, red, yellow, and blue are often referred to as primary colors and represent exemplar hues rather than specific hues that are more pure, unique, or proprietary variants of these hues. Traditional color theory is based on experience with pigments, more than on the science of light.

  6. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    Here the 'IEEE 754 double value' resulting of the 15 bit figure is 3.330560653658221E-15, which is rounded by Excel for the 'user interface' to 15 digits 3.33056065365822E-15, and then displayed with 30 decimals digits gets one 'fake zero' added, thus the 'binary' and 'decimal' values in the sample are identical only in display, the values ...

  7. List of Internet top-level domains - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_top-level...

    This list of Internet top-level domains (TLD) contains top-level domains, which are those domains in the DNS root zone of the Domain Name System of the Internet. A list of the top-level domains by the Internet Assigned Numbers Authority (IANA) is maintained at the Root Zone Database. [1]

  8. Morse code - Wikipedia

    en.wikipedia.org/wiki/Morse_code

    The usual method has been to first transliterate the sounds represented by the International code and the four unique Gerke codes into the local alphabet, hence Greek, Hebrew, Russian, and Ukrainian Morse codes. If more codes are needed, one can either invent a new code or convert an otherwise unused code from either code set to the non-Latin ...

  9. List of mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_mnemonics

    To remember the order of taxa in biology (Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species, [Variety]): "Dear King Philip Came Over For Good Soup" is often cited as a non-vulgar method for teaching students to memorize the taxonomic classification of system.