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  2. Accelerometer - Wikipedia

    en.wikipedia.org/wiki/Accelerometer

    An accelerometer measures proper acceleration, which is the acceleration it experiences relative to freefall and is the acceleration felt by people and objects. [2] Put another way, at any point in spacetime the equivalence principle guarantees the existence of a local inertial frame, and an accelerometer measures the acceleration relative to that frame. [4]

  3. Piezoelectric accelerometer - Wikipedia

    en.wikipedia.org/wiki/Piezoelectric_accelerometer

    Piezoelectric accelerometers are used in many different industries, environments, and applications - all typically requiring measurement of short duration impulses. Piezoelectric measuring devices are widely used today in the laboratory, on the production floor, and as original equipment for measuring and recording dynamic changes in mechanical ...

  4. Laser accelerometer - Wikipedia

    en.wikipedia.org/wiki/Laser_accelerometer

    An accelerometer was announced that used infrared light to measure the change in distance between two micromirrors in a Fabry–Perot cavity. The proof mass is a single silicon crystal with a mass of 10–20 mg, suspended from the first mirror using flexible 1.5 μm-thick silicon nitride (Si 3 N 4) beams. The suspension allows the proof mass to ...

  5. A 14-year-old took home $10,000 for his award-winning ...

    www.aol.com/14-old-took-home-10-115202745.html

    He would need an instrument called an accelerometer, to measure vibration. Montelongo had started coding around the age of 8, so of course he built and coded an accelerometer himself.

  6. Inertial measurement unit - Wikipedia

    en.wikipedia.org/wiki/Inertial_measurement_unit

    An inertial measurement unit (IMU) is an electronic device that measures and reports a body's specific force, angular rate, and sometimes the orientation of the body, using a combination of accelerometers, gyroscopes, and sometimes magnetometers. When the magnetometer is included, IMUs are referred to as IMMUs.

  7. Category:Accelerometers - Wikipedia

    en.wikipedia.org/wiki/Category:Accelerometers

    Pages in category "Accelerometers" The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes. ...

  8. Accelerator mass spectrometry - Wikipedia

    en.wikipedia.org/wiki/Accelerator_mass_spectrometry

    Accelerator mass spectrometry (AMS) is a form of mass spectrometry that accelerates ions to extraordinarily high kinetic energies before mass analysis. The special strength of AMS among the different methods of mass spectrometry is its ability to separate a rare isotope from an abundant neighboring mass ("abundance sensitivity", e.g. 14 C from 12 C). [1]

  9. Gravimetry - Wikipedia

    en.wikipedia.org/wiki/Gravimetry

    Gravity is usually measured in units of acceleration.In the SI system of units, the standard unit of acceleration is metres per second squared (m/s 2).Other units include the cgs gal (sometimes known as a galileo, in either case with symbol Gal), which equals 1 centimetre per second squared, and the g (g n), equal to 9.80665 m/s 2.

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    related to: accelerometer what does it measure in chemistry