Ernst Mach
Austrian physicist and philosopher
Ernst Mach
Ernst Mach was an Austrian physicist and philosopher, noted for his contributions to physics such as the Mach number and the study of shock waves. As a philosopher of science, he was a major influence on logical positivism and through his criticism of Newton, a forerunner of Einstein's relativity.
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Ernst Mach's personal information overview.
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Phosphoreszierendes Geschlecht - derStandard.at
Google News - over 5 years
Nachdem das "Ich" laut Ernst Mach "unrettbar" geworden sei, musste es im Untergrund, auf der Flucht, im Exil seine Unsicherheit bis zum Identitätswechsel erleben. Felix Kannmachers Freund, der jüdische Kasinobesitzer, erkennt: "Von der Heimat verstoßen
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Scientific Analysis of 50 Year Old UFO Mysteries Revealed - News Junky Journal (press release)
Google News - over 5 years
Ernst Mach in the 19th Century held that inertia was caused by “the distant stars”. Albert Einstein liked the idea. He corresponded with Mach, and it was he who named the idea “Mach's Principle.” Later, though, Einstein did not incorporate inertia
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Der Wille - Eine medizinisch-philosophische Spurensuche - Wiener Zeitung
Google News - over 5 years
Die Modifikation der Reflexvorgänge, welche durch die im Bewußtsein auftretenden Erinnerungsspuren bestimmt ist, nennen wir Willen." Ernst Mach: Erkenntnis und Irrtum. Skizzen zur Psychhologie der Forschung. Leipzig (Verlag von Johann Ambrosius Barth)
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„Kosmische Strahlung schlägt den grünen Faschismus“ - Neue Solidarität (Abonnement)
Google News - over 5 years
Typisch für Plancks Krieg gegen solche Positivisten wie Ernst Mach, Russell und die Apostel war seine Erklärung, „daß die Machsche Naturphilosophie ihr glänzendstes Versprechen, das ihr wohl die meisten Anhänger zugeführt hat: die Eliminierung aller
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Das Wunder der Hausrotschwänze - Freie Presse
Google News - over 5 years
Ein Mach ist die Maßeinheit der Fluggeschwindigkeit - wegen Ernst Mach. Ähnlich ist es beim Joule oder dem Celsius.Und ein Hausrotschwanz? Das ist ein kleiner Vogel. Weiß doch jeder. Aber jetzt das Aber: Wäre der Überlebenswille einer Spezies messbar,
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POL-REK: 1400 freie Studienplätze bei der Polizei NRW im Jahr 2012 - Hürth - news aktuell (Pressemitteilung)
Google News - over 5 years
Hürth (ots) - Berufsinformationsveranstaltung der Polizei NRW am Samstag, dem 23.07.11 im Ernst-Mach-Gymnasium in Hürth. Sie interessieren sich für den Polizeiberuf und haben Fragen zu den Einstellungsvoraussetzungen, dem Auswahlverfahren, zum Studium,
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Zeitzeuge im Ernst-Mach-Gymnasium Zusammenhalt im KZ half beim Überleben - Kölnische Rundschau
Google News - over 5 years
Wie ein roter Faden zog sich diese Erfahrung durch die Schilderung des ehemaligen Zwangsarbeiters und KZ-Häftlings, die der fast 90-Jährige Zehntklässlern im Ernst-Mach-Gymnasium gab. Karol Tendera schilderte eindrucksvoll, wie er von 1940 bis 1945
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Austausch mit Tschechien vertiefen - www.academics.de
Google News - over 5 years
Hier wirkten Gelehrte wie Tycho Brahe, Johannes Kepler, Ernst Mach und Albert Einstein. "Und auch heute ist die Perspektive der tschechischen Kultur gerade in ihrer historisch erwachsenen Position von besonderem Interesse", so Breidbach
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Ernst Mach-Medaille für Prof. Dr. Dieter Vollhardt - uniprotokolle (Pressemitteilung)
Google News - over 5 years
Augsburg/KPP - "For Merit in the Physical Sciences" zeichnet die Akademie der Wissenschaften der Tschechischen Republik seit 1996 international herausragende Vertreter des Fachs mit der Ernst Mach Honorary Medal aus
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Karlheinz Töchterle beginnt Arbeitsbesuch in Israel - APA OTS (Pressemitteilung)
Google News - over 5 years
Im aktuellen Studienjahr wurden drei Stipendien an israelische Studierende und Forschende vergeben, davon eines im Stipendienprogramm "Ernst Mach - weltweit" für einen 9-monatigen Aufenthalt einer israelischen Doktorandin, die an der Österreichischen
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Demenz: Mit dem Herzen wird niemand vergesslich - Kölnische Rundschau
Google News - over 5 years
Gastgeber war das Ernst-Mach-Gymnasium, dessen Schüler seit einigen Jahren Praktika in den Angeboten der Alzheimer-Gesellschaft absolvieren und zu deren Tanz- und Kulturcafé im Löhrerhof eigene Beiträge leisten. Gefördert wurde die Tagung von der AOK
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Hoffmann trifft Oberhuber - ORF.at
Google News - over 5 years
Sigmund Freud gehört etwa dazu, Ernst Mach und auch Josef Hoffmann. Gerade mal 3.700 Einwohner zählt das Städtchen Brtnice, malerisch gelegen am gleichnamigen Fluss, heute noch. Gleich am Hauptplatz befindet sich das gelb getünchte Geburtshaus
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Kontrollen zur Sicherheit und Akzeptanz - Badische Zeitung
Google News - over 5 years
Aus diesem Grund hat sich die Universität mit dem Fraunhofer-Institut für Kurzzeitdynamik, Ernst-Mach-Institut (EMI) zusammengetan, was gestern mit den Unterschriften von Uni-Rektor Professor Hans-Jochen Schiewer und EMI-Direktor Professor Klaus Thoma
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Acht Absolventen sind aus dem Schneider - Miesbacher Merkur
Google News - over 5 years
Zwei weitere Spaenle-Profiteure gibt es in Haar, wo am Ernst-Mach-Gymnasium 80 Abiturienten angetreten waren, sechs müssen zur Nachprüfung. Ein sehr kritisches Licht auf das WHG wirft Hans-Peter Adolf. Der Garchinger Grünen-Stadtrat wirft der Schule,
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Madras miscellany: The 'Essential Buddhist' - The Hindu
Google News - over 5 years
Narasu carried on a regular correspondence with Ernst Mach, a German philosopher-scientist, and it is Mach's letters to Narasu that the German researcher is looking for. If they survive, are they in some library or with a member of Narasu's family?
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« Galilée avait tort : l'Église avait raison » - AFIS science
Google News - over 5 years
Il prêche que les physiciens, tels Albert Einstein, Ernst Mach, Edwin Hubble, Fred Hoyle, « et bien d'autres », auraient prouvé, comme il est dit dans la Bible, que le soleil et toutes les planètes tournent autour de la Terre, fixe dans l'espace,
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Universität: Kooperation für mehr Sicherheitstechnik - suedkurier.de
Google News - over 5 years
Juni unterzeichnen Rektor Hans-Jochen Schiewer und der Direktor des Fraunhofer-Instituts für Kurzzeitdynamik (Ernst-Mach-Institut, EMI), Klaus Thom ein Kooperationsabkommen zum Ausbau der gemeinsamen Sicherheitsforschung
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Wetzlarer Physiker lehnt die Theorie des Urknalls ab - Gießener Anzeiger
Google News - over 5 years
Zu diesem Zweck greift Eiermann auf ein Prinzip des österreichischen Naturwissenschaftlers Ernst Mach (1838-1916) zurück. Es besagt, dass die Masse eines einzelnen Körpers nur aus der dynamischen Beziehung aller Körper untereinander bestimmt werden
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"Prevent, Protect, Recover" - Juraforum.de
Google News - over 5 years
Dr. Hans-Jochen Schiewer, für das „Centre for Security and Society“ der Universität Freiburg und der Direktor des Fraunhofer-Instituts für Kurzzeitdynamik, Ernst-Mach-Institut (EMI), Prof. Dr. Klaus Thoma, in Anwesenheit von Prof
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Timeline
Learn about memorable moments in the evolution of Ernst Mach
    OTHER
  • 1916
    Died on February 19, 1916.
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  • 1913
    On leaving Vienna in 1913 he moved to his son's home in Vaterstetten, near Munich, where he continued writing and corresponding until his death in 1916, only one day after his 78th birthday.
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  • 1908
    In 1908, Lenin wrote a philosophical work, Materialism and Empirio-criticism (published 1909), in which he criticized Machism and the views of "Russian Machists", Lenin also cited in this work the concept of: 'Ether', as the mean through which light waves propagated, and the concept of Time as an absolute.
    More Details Hide Details In accordance with this philosophy, Mach opposed Ludwig Boltzmann and others who proposed an atomic theory of physics. Since one cannot observe things as small as atoms directly, and since no atomic model at the time was consistent, the atomic hypothesis seemed to Mach to be unwarranted, and perhaps not sufficiently "economical". Mach had a direct influence on the Vienna Circle philosophers and the school of logical positivism in general. Mach is attributed with a number of principles that distill his ideal of physical theorisation — what is now called "Machian physics": The last is singled out, particularly by Albert Einstein as "the" Mach's principle. Einstein cited it as one of the three principles underlying general relativity. In 1930, he stated that "it is justified to consider Mach as the precursor of the general theory of relativity", though Mach, before his death, would reject Einstein's theory. Einstein was aware that his theories did not fulfill all Mach's principles, and no subsequent theory has either, despite considerable effort.
  • 1895
    From 1895 to 1901, Mach held a newly created chair for "the history and philosophy of the inductive sciences" at the University of Vienna.
    More Details Hide Details In his historico-philosophical studies, Mach developed a phenomenalistic philosophy of science which became influential in the 19th and 20th centuries. He originally saw scientific laws as summaries of experimental events, constructed for the purpose of making complex data comprehensible, but later emphasized mathematical functions as a more useful way to describe sensory appearances. Thus scientific laws while somewhat idealized have more to do with describing sensations than with reality as it exists beyond sensations. The goal which it (physical science) has set itself is the simplest and most economical abstract expression of facts. When the human mind, with its limited powers, attempts to mirror in itself the rich life of the world, of which it itself is only a small part, and which it can never hope to exhaust, it has every reason for proceeding economically. In reality, the law always contains less than the fact itself, because it does not reproduce the fact as a whole but only in that aspect of it which is important for us, the rest being intentionally or from necessity omitted.
  • 1887
    Mach and physicist-photographer Peter Salcher presented their paper on this subject in 1887; it correctly describes the sound effects observed during the supersonic motion of a projectile.
    More Details Hide Details They deduced and experimentally confirmed the existence of a shock wave which of conical shape, with the projectile at the apex. The ratio of the speed of a fluid to the local speed of sound vp/vs is now called the Mach number. It is a critical parameter in the description of high-speed fluid movement in aerodynamics and hydrodynamics. Mach also contributed to cosmology the hypothesis known as Mach's principle.
  • 1867
    In 1867, he took the chair of Experimental Physics at the Charles University, Prague, where he stayed for 28 years before returning to Vienna.
    More Details Hide Details Mach's main contribution to physics involved his description and photographs of spark shock-waves and then ballistic shock-waves. He described how when a bullet or shell moved faster than the speed of sound, it created a compression of air in front of it. Using schlieren photography, he and his son Ludwig were able to photograph the shadows of the invisible shock waves. During the early 1890s Ludwig was able to invent an interferometer which allowed for much clearer photographs. But Mach also made many contributions to psychology and physiology, including his anticipation of gestalt phenomena, his discovery of the oblique effect and of Mach bands, an inhibition-influenced type of visual illusion, and especially his discovery of a non-acoustic function of the inner ear which helps control human balance. One of the best-known of Mach's ideas is the so-called "Mach principle," concerning the physical origin of inertia. This was never written down by Mach, but was given a graphic verbal form, attributed by Philipp Frank to Mach himself, as, "When the subway jerks, it's the fixed stars that throw you down."
  • 1864
    In 1864 he took a job as Professor of Mathematics at the University of Graz, having turned down the position of a chair in surgery at the University of Salzburg to do so, and in 1866 he was appointed as Professor of Physics.
    More Details Hide Details During that period, Mach continued his work in psycho-physics and in sensory perception.
  • 1855
    In 1855 he became a student at the University of Vienna.
    More Details Hide Details There he studied physics and for one semester medical physiology, receiving his doctorate in physics in 1860 and his Habilitation the following year. His early work focused on the Doppler effect in optics and acoustics.
  • 1838
    Born in 1838.
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