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  2. Tilt detector - Wikipedia

    en.wikipedia.org/wiki/Tilt_detector

    Package with one tilt indicator. A tilt detector or tilt indicator is a device which indicates whether a tilt has occurred. Tilt detectors can be used on shipments of tilt sensible items to indicate whether a potentially damaging tilt have occurred.

  3. watchOS - Wikipedia

    en.wikipedia.org/wiki/WatchOS

    watchOS is the operating system of the Apple Watch, developed by Apple.It is based on iOS, the operating system used by the iPhone, and has many similar features. [5] It was released on April 24, 2015, along with the Apple Watch, the only device that runs watchOS. watchOS exposes an API called WatchKit for developer use.

  4. Inclinometer - Wikipedia

    en.wikipedia.org/wiki/Inclinometer

    A tilt sensor can measure the tilting in often two axes of a reference plane in two axes. In contrast, a full motion would use at least three axes and often additional sensors. One way to measure tilt angle with reference to the earth's ground plane, is to use an accelerometer. Typical applications can be found in the industry and in game ...

  5. Spherical coordinate system - Wikipedia

    en.wikipedia.org/wiki/Spherical_coordinate_system

    The radial distance upward along the zenith–axis from the point of origin to the surface of the sphere is assigned the value unity, or 1. + In this image, r appears to equal 4/6, or .67, (of unity); i.e., four of the six 'nested shells' to the surface.

  6. The iPhone 12 Pro can measure people’s height — here’s how

    www.aol.com/iphone-12-pro-measure-people...

    The dating game may never be the same again, that’s right: the iPhone 12 Pro can measure people’s height. One of the new features on Apple’s most recent premium handset was the introduction ...

  7. Radial velocity - Wikipedia

    en.wikipedia.org/wiki/Radial_Velocity

    A positive radial velocity indicates the distance between the objects is or was increasing; a negative radial velocity indicates the distance between the source and observer is or was decreasing. William Huggins ventured in 1868 to estimate the radial velocity of Sirius with respect to the Sun, based on observed redshift of the star's light. [6]

  8. Geodetic coordinates - Wikipedia

    en.wikipedia.org/wiki/Geodetic_coordinates

    Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).

  9. Angular frequency - Wikipedia

    en.wikipedia.org/wiki/Angular_frequency

    A sphere rotating around an axis. Points farther from the axis move faster, satisfying ω = v / r.. In physics, angular frequency (symbol ω), also called angular speed and angular rate, is a scalar measure of the angle rate (the angle per unit time) or the temporal rate of change of the phase argument of a sinusoidal waveform or sine function (for example, in oscillations and waves).