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  1. en.wikipedia.org › wiki › PsychopathyPsychopathy - Wikipedia

    The word psychopathy is a joining of the Greek words psyche ( ψυχή) "soul" and pathos ( πάθος) "suffering, feeling". [17] The first documented use is from 1847 in Germany as psychopatisch, [18] and the noun psychopath has been traced to 1885. [19] In medicine, patho- has a more specific meaning of disease (Thus pathology has meant the ...

  2. en.wikipedia.org › wiki › LidarLidar - Wikipedia

    Lidar (/ˈlaɪdɑːr/, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging"[1] or "laser imaging, detection, and ranging"[2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver. Lidar may operate in a fixed direction (e ...

    • Etymology
    • Definition
    • Standard Units
    • Uses
    • See Also

    The unit is named after Blaise Pascal, noted for his contributions to hydrodynamics and hydrostatics, and experiments with a barometer. The name pascal was adopted for the SI unit newton per square metre (N/m2) by the 14th General Conference on Weights and Measuresin 1971.

    The pascal can be expressed using SI derived units, or alternatively solely SI base units, as: 1. 1 P a = 1 N m 2 = 1 k g m ⋅ s 2 = 1 J m 3 {\displaystyle {\rm {1~Pa=1~{\frac {N}{m^{2}}}=1~{\frac {kg}{m{\cdot }s^{2}}}=1~{\frac {J}{m^{3}}}}}} where N is the newton, m is the metre, kg is the kilogram, s is the second, and J is the joule. One pascal i...

    The unit of measurement called an atmosphere or a standard atmosphere (atm) is 101325 Pa (101.325 kPa). This value is often used as a reference pressure and specified as such in some national and international standards, such as the International Organization for Standardization's ISO 2787 (pneumatic tools and compressors), ISO 2533 (aerospace) and...

    The pascal (Pa) or kilopascal (kPa) as a unit of pressure measurement is widely used throughout the world and has largely replaced the pounds per square inch (psi) unit, except in some countries that still use the imperial measurement system or the US customary system, including the United States. Geophysicists use the gigapascal (GPa) in measuring...

  3. 3 Body Problem is an American science fiction television series created by David Benioff, D. B. Weiss and Alexander Woo, based on the Hugo Award–winning Chinese novel series Remembrance of Earth's Past by Liu Cixin. It is the second live-action adaptation after the 2023 Chinese television series. The first season was released on Netflix on ...

  4. en.wikipedia.org › wiki › Skin-walkerSkin-walker - Wikipedia

    In Navajo culture, a skin-walker ( Navajo: yee naaldlooshii) is a type of harmful witch who has the ability to turn into, possess, or disguise themselves as an animal. The term is never used for healers. The yee naaldlooshii, translating to "by means of it, it goes on all fours," is one of several types of skin-walkers within Navajo beliefs.

  5. Numerical value, notation, and units The speed of light in vacuum is usually denoted by a lowercase c, for "constant" or the Latin celeritas (meaning 'swiftness, celerity'). In 1856, Wilhelm Eduard Weber and Rudolf Kohlrausch had used c for a different constant that was later shown to equal √ 2 times the speed of light in vacuum. . Historically, the symbol V was used as an alternative symbol ...

  6. en.wikipedia.org › wiki › ALSALS - Wikipedia

    Classification ALS is a motor neuron disease, which is a group of neurological disorders that selectively affect motor neurons, the cells that control voluntary muscles of the body. Other motor neuron diseases include primary lateral sclerosis (PLS), progressive muscular atrophy (PMA), progressive bulbar palsy, pseudobulbar palsy, and monomelic amyotrophy (MMA).