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Edmund Gustav Albrecht Husserl (/ ˈ h ʊ s ɜːr l / HUUSS-url, [14] US also / ˈ h ʊ s ər əl / HUUSS-ər-əl; [15] German: [ˈɛtmʊnt ˈhʊsɐl]; [16] 8 April 1859 – 27 April 1938 [17]) was an Austrian-German philosopher and mathematician who established the school of phenomenology.
The Allegory On the Writing of History shows Truth (top) watching the historian write history, while advised by Wisdom (Jacob de Wit,1754). Historiography is the study of the methods used by historians in developing history as an academic discipline, and by extension, the term historiography is any body of historical work on a particular subject.
The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m 2 ⋅s −3. [1] [2] [3] It is used to quantify the rate of energy transfer.
In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits.A varying current in any coil of the transformer produces a varying magnetic flux in the transformer's core, which induces a varying electromotive force (EMF) across any other coils wound around the same core.
Time-domain reflectometer for cable fault detection. A time-domain reflectometer (TDR) is an electronic instrument used to determine the characteristics of electrical lines by observing reflected pulses.
Harvey Fletcher (September 11, 1884 – July 23, 1981) was an American physicist. [1] Known as the "father of stereophonic sound", he is credited with the invention of the 2-A audiometer [2] and an early electronic hearing aid.