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  2. 9 National Wine Day deals to toast to this weekend - AOL

    www.aol.com/news/9-national-wine-day-deals...

    To celebrate National Wine Day, Omaha Steaks has the following offers: Classic Assortment + Omaha Steaks 1917 Red Blend for $159.99. Tasteful Steakhouse Pack + Signature Reds Duo for $189.99 ...

  3. 77 best discounts for ages 50+: Where to save money for ...

    www.aol.com/finance/best-senior-discounts...

    Read the fine print before you pick a rental company, and make sure they take your discount off the base rate for maximum savings. Ages 50 and older. Hertz — 20% off base rate. Sixt — 5% ...

  4. Concentrated animal feeding operation - Wikipedia

    en.wikipedia.org/wiki/Concentrated_animal...

    Smithfield Foods hog CAFO, Unionville, Missouri, 2013. In animal husbandry, a concentrated animal feeding operation ( CAFO ), as defined by the United States Department of Agriculture (USDA), is an intensive animal feeding operation (AFO) in which over 1,000 animal units are confined for over 45 days a year. An animal unit is the equivalent of ...

  5. Grayscale - Wikipedia

    en.wikipedia.org/wiki/Grayscale

    t. e. In digital photography, computer-generated imagery, and colorimetry, a grayscale 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. Grayscale images, a kind of black-and-white or gray monochrome, are composed exclusively of shades of gray.

  6. Sunlight - Wikipedia

    en.wikipedia.org/wiki/Sunlight

    Taken on 20 October 1968 from Apollo 7. Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is scattered and filtered through Earth's atmosphere as daylight when the Sun is above the horizon.

  7. Gamma-ray burst - Wikipedia

    en.wikipedia.org/wiki/Gamma-ray_burst

    These account for about 30% of gamma-ray bursts, but until 2005, no afterglow had been successfully detected from any short event and little was known about their origins. Since then, several dozen short gamma-ray burst afterglows have been detected and localized, several of which are associated with regions of little or no star formation, such ...

  8. Gamma ray - Wikipedia

    en.wikipedia.org/wiki/Gamma_ray

    A gamma ray, also known as gamma radiation (symbol. γ. ), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves, typically shorter than those of X-rays. With frequencies above 30 exahertz ( 3 × 1019 Hz) and wavelengths less than 10 ...

  9. Nitric acid - Wikipedia

    en.wikipedia.org/wiki/Nitric_acid

    Nitric acid is the inorganic compound with the formula H N O 3. It is a highly corrosive mineral acid. [6] The compound is colorless, but samples tend to acquire a yellow cast over time due to decomposition into oxides of nitrogen. Most commercially available nitric acid has a concentration of 68% in water.

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