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  2. Wide Field Camera 3 - Wikipedia

    en.wikipedia.org/wiki/Wide_Field_Camera_3

    The Wide Field Camera 3 (WFC3) is the Hubble Space Telescope's last and most technologically advanced instrument to take images in the visible spectrum. It was installed as a replacement for the Wide Field and Planetary Camera 2 during the first spacewalk of Space Shuttle mission STS-125 (Hubble Space Telescope Servicing Mission 4) on May 14, 2009.

  3. iPad (4th generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_(4th_generation)

    The iPad (4th generation) [15] (marketed as iPad with Retina display, [16] colloquially referred to as the iPad 4) [17] [18] is a tablet computer developed and marketed by Apple Inc. Compared to its predecessor, the third-generation iPad, the fourth-generation iPad maintained the Retina Display but featured new and upgraded components such as the Apple A6X chip and the Lightning connector ...

  4. iPad (10th generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_(10th_generation)

    The tenth-generation iPad features a 12-megapixel rear-facing wide-angle camera with an ƒ/1.8 aperture and 4K video recording support. [8] In a first for any iPad, the front-facing camera is now located on the long edge of the display, so that it is horizontally centered when the tablet is in a landscape orientation. [9] [7]

  5. Linux on Apple devices - Wikipedia

    en.wikipedia.org/wiki/Linux_on_Apple_devices

    In June 2022, software developers Konrad Dybcio and Markuss Broks managed to run Linux kernel 5.18 on a iPad Air 2. The project made use of the Alpine Linux based Linux distribution called postmarketOS, which is primarily developed for Android devices. The developer suggested that they used the checkm8 exploit which was published back in 2019 ...

  6. Lightning (connector) - Wikipedia

    en.wikipedia.org/wiki/Lightning_(connector)

    The first-generation iPad Pro (12.9-inch models only), and the second-generation iPad Pro, are the only devices in which the Lightning connector supports USB 3.0 host. [9] The only accessory released with USB 3.0 support is the Lightning to USB 3 Camera Adapter. [10] Since iPhone 8 and iPhone X, the Lightning connector is somewhat USB-PD ...

  7. iSight - Wikipedia

    en.wikipedia.org/wiki/ISight

    iSight is a brand name used by Apple Inc. to refer to webcams on various devices. The name was originally used for the external iSight webcam, which retailed for US$149, connected to a computer via a FireWire cable, and came with a set of mounts to place it atop any then current Apple display, laptop computer, all-in-one desktop computer, or round surface.

  8. Charge cycle - Wikipedia

    en.wikipedia.org/wiki/Charge_cycle

    Discharging the battery fully before recharging may be called "deep discharge"; partially discharging then recharging may be called "shallow discharge". A "charge cycle" is not a unit of time; the length of time spent charging or discharging does not affect the number of charge cycles. [1] Each battery is affected differently by charge cycles ...

  9. Shack–Hartmann wavefront sensor - Wikipedia

    en.wikipedia.org/wiki/Shack–Hartmann_wavefront...

    Shack–Hartmann system in clinical optics: Laser creates a virtual light source in the retina. The lenslet array creates spots in the sensor according to the wavefront coming out of the eye. Inverse of the Shack–Hartmann system in clinical optics: A set of patterns is displayed on the screen, the user aligns/overlaps them in a single image ...