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  2. OtterBox - Wikipedia

    en.wikipedia.org/wiki/Otterbox

    otterbox .com. Otter Products, LLC, or simply OtterBox, is a privately owned consumer electronics accessory company based in Fort Collins, Colorado, that produces cases for mobile devices. The company was founded in 1998 as a manufacturer of water-resistant boxes meant to house electronic devices, mostly catering to outdoor enthusiasts. [ 2]

  3. Optical transfer function - Wikipedia

    en.wikipedia.org/wiki/Optical_transfer_function

    The line-spread function is directly proportional to the vertical integration of the point-spread image. The optical-transfer function (OTF) is defined as the Fourier transform of the point-spread function and is thus generally a two-dimensional complex function. Typically only a one-dimensional slice is shown (c), corresponding to the Fourier ...

  4. Newton's rings - Wikipedia

    en.wikipedia.org/wiki/Newton's_rings

    Fig. 3: Arrangement to view Newton's Rings: a convex lens is placed on top of a flat surface. Newton's rings is a phenomenon in which an interference pattern is created by the reflection of light between two surfaces, typically a spherical surface and an adjacent touching flat surface. It is named after Isaac Newton, who investigated the effect ...

  5. The best iPhone 12 cases for 7 different personality types - AOL

    www.aol.com/lifestyle/best-iphone-12-cases-7...

    Apple’s iPhone 12 lineup, consisting of four devices in total (iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max and iPhone 12 Mini), has rocked the tech community since its October 13, 2020 ...

  6. Luneburg lens - Wikipedia

    en.wikipedia.org/wiki/Luneburg_lens

    A Luneburg lens (original German Lüneburg lens) is a spherically symmetric gradient-index lens. A typical Luneburg lens's refractive index n decreases radially from the center to the outer surface. They can be made for use with electromagnetic radiation from visible light to radio waves . For certain index profiles, the lens will form perfect ...

  7. Lenticular lens - Wikipedia

    en.wikipedia.org/wiki/Lenticular_lens

    A lenticular lens is an array of lenses, designed so that when viewed from slightly different angles, different parts of the image underneath are shown. [ 1][ 2][failed verification – see discussion] The most common example is the lenses used in lenticular printing, where the technology is used to give an illusion of depth, or to make images ...

  8. What older adults need to know about concussions

    www.aol.com/older-adults-know-concussions...

    Nausea or vomiting. “Pressure” in the head. Sleep issues, such as insomnia or sleeping too much. Tiredness. You may have symptoms immediately, or you may not. Some can occur minutes, hours ...

  9. Pelco - Wikipedia

    en.wikipedia.org/wiki/Pelco

    A CCTV camera housing made by Pelco. Pelco Incorporated is an American security and surveillance technologies company. Founded in 1957 and headquartered in Fresno, California, [4] Pelco is a wholly owned subsidiary of Motorola Solutions. The company's products include security cameras, recording and management systems, and video analytics software.

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