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  2. Night-vision device - Wikipedia

    en.wikipedia.org/wiki/Night-vision_device

    Cooling is not required and visible and infrared light appear in a single image. Its frequency range is 1550-nm infrared to visible 550-nm light. Because, traditionally, night-vision systems capture side-by-side views from each spectrum, they can't produce identical images unlike films applied to ordinary glasses. [84]

  3. Walmart Canada - Wikipedia

    en.wikipedia.org/wiki/Walmart_Canada

    Walmart Canada is a Canadian retail corporation, discount retailer and the Canadian subsidiary of the U.S.-based multinational retail conglomerate Walmart.Headquartered in Mississauga, Ontario, it was founded on March 17, 1994, with the purchase of the Woolco Canada chain from the F. W. Woolworth Company.

  4. Walmart's early Black Friday deals are rivaling Amazon prices ...

    www.aol.com/lifestyle/walmarts-black-friday...

    Samsung DU69 4K 65-Inch Smart TV — on sale for $398 (Special Buy) Squishmallows 8-Inch Disney Boo — on sale for $5 (Special Buy) Serta Classic Clarks Firm Mattress — on sale for $449 (save ...

  5. Night vision - Wikipedia

    en.wikipedia.org/wiki/Night_vision

    Active infrared night-vision combines infrared illumination of spectral range 700–1,000 nm (just over the visible spectrum of the human eye) with CCD cameras sensitive to this light. The resulting scene, which is apparently dark to a human observer, appears as a monochrome image on a normal display device. [ 15 ]

  6. List of Walmart brands - Wikipedia

    en.wikipedia.org/wiki/List_of_Walmart_brands

    Sam's Choice, originally introduced as Sam's American Choice in 1991, is a retail brand in food and selected hard goods. Named after Sam Walton, founder of Walmart, Sam's Choice forms the premium tier of Walmart's two-tiered core corporate grocery branding strategy that also includes the larger Great Value brand of discount-priced staple items.

  7. AN/PVS-4 - Wikipedia

    en.wikipedia.org/wiki/AN/PVS-4

    An example of a noted shortcoming ultimately considered insignificant was an enemies ability to detect the reflection of the AN/PVS-4 objective lens using an active infrared night vision device. The IR device needed to detect the AN/PVS-4 required a straight-on unobstructed view, and AN/PVS-4 detection only occurred using an active device (as ...

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