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  2. Roger - Wikipedia

    en.wikipedia.org/wiki/Roger

    From circa 1940 in US and UK wartime communication, "Roger" came to represent "R" when spelling out a word. "R" is the first letter in "received", used to acknowledge understanding a message. "R" is the first letter in "received", used to acknowledge understanding a message.

  3. Teru teru bōzu - Wikipedia

    en.wikipedia.org/wiki/Teru_teru_bōzu

    A teru teru bōzu (Japanese: てるてる坊主 or 照る照る坊主, lit. ' shine, shine monk ') is a small traditional handmade doll hung outside doors and windows in Japan in hope of sunny weather. Made from tissue paper or cloth, teru teru bōzu charms are usually white, ghost-like figures with strings tied around their necks. [1] [2] [3]

  4. Fluorescent-lamp formats - Wikipedia

    en.wikipedia.org/wiki/Fluorescent-lamp_formats

    Japanese color code Numeric color code Alphabetic color code Color Approximate CRI Color temperature (K) L-EDL 27 N/A Deluxe Extra Warm White ≈95 2700 N/A N/A SW GE Soft White (Lower-CRI WWX) ≈77 3000 N/A 32 WWX Deluxe Warm White ≈87 3000 N/A N/A WX Sylvania White Deluxe ≈85 3500 N/A 79 N Natural ≈90 3600 N/A 34 N/A Deluxe White ≈85

  5. Roger Shimomura - Wikipedia

    en.wikipedia.org/wiki/Roger_Shimomura

    Roger Shimomura was born on June 26, 1939, at the Shimomura family home in Seattle, Washington's Central District. He was delivered by his grandmother, Toku, a professional midwife who would become an important figure in his life and art. His father, Eddy Kazuo Shimomura, was a pharmacist, and his mother, Aya, was a homemaker.

  6. Help:Japanese - Wikipedia

    en.wikipedia.org/wiki/Help:Japanese

    In addition to native words and placenames, kanji are used to write Japanese family names and most Japanese given names. Centuries ago, hiragana and katakana, the two kana syllabaries, derived their shapes from particular kanji pronounced in the same way. However, unlike kanji, kana have no meaning, and are used only to represent sounds.

  7. Lighting - Wikipedia

    en.wikipedia.org/wiki/Lighting

    The color temperature of a white light source is the temperature in kelvins of a theoretical black body emitter that most closely matches the spectral characteristics (spectral power distribution) of the lamp. An incandescent bulb has a color temperature around 2800 to 3000 kelvins; daylight is around 6400 kelvins.

  8. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    The light is not the same as a true black body, giving a different appearance to colors than an incandescent bulb. Color rendering quality is specified by the color rendering index (CRI), and as of 2019 is about 80 for many LED bulbs, and over 95 for more expensive high-CRI LED lighting (100 is the ideal value). [citation needed]

  9. Incandescent light bulb - Wikipedia

    en.wikipedia.org/wiki/Incandescent_light_bulb

    An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...