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Philipp Lenard.Deutsche Physik, 2. Band – Akustik und Wärmelehre. München, 1936–1937. Deutsche Physik (German: [ˈdɔʏtʃə fyˈziːk], lit. "German Physics") or Aryan Physics (German: Arische Physik) was a nationalist movement in the German physics community in the early 1930s which had the support of many eminent physicists in Germany.
These activities also include the Highlights of Physics, an annual physics festival organized jointly by the DPG and the Federal Ministry of Education and Research. It is the largest festival of its kind in Germany with around 30,000 visitors every year. [12]
The name 'zeroth law' was invented by Ralph H. Fowler in the 1930s, long after the first, second, and third laws were widely recognized. The law allows the definition of temperature in a non-circular way without reference to entropy, its conjugate variable .
Illustration of Kepler's second law Neptune. 1450–1550: Copernican heliocentrism, developed by Regiomontanus and Nicolaus Copernicus [70] 1609–1619: Kepler's laws of planetary motion by Johannes Kepler [71] 1781: Discovery of Uranus, with two of its major moons (Titania and Oberon), by William Herschel [72] 1846: Discovery of Neptune by ...
The Physikalisch-Technische Bundesanstalt (PTB) is the national metrology institute of the Federal Republic of Germany, with scientific and technical service tasks.It is a higher federal authority and a public-law institution directly under federal government control, without legal capacity, under the auspices of the Federal Ministry for Economic Affairs and Climate Action.
A matrix version of Kirchhoff's current law is the basis of most circuit simulation software, such as SPICE. The current law is used with Ohm's law to perform nodal analysis. The current law is applicable to any lumped network irrespective of the nature of the network; whether unilateral or bilateral, active or passive, linear or non-linear.
Gustav Robert Kirchhoff (German: [ˈgʊs.taf ˈkɪʁçhɔf]; 12 March 1824 – 17 October 1887) was a German physicist, chemist and mathematican who contributed to the fundamental understanding of electrical circuits, spectroscopy and the emission of black-body radiation by heated objects.
The second law of thermodynamics is a physical law that is not symmetric to reversal of the time direction. This does not conflict with symmetries observed in the fundamental laws of physics (particularly CPT symmetry ) since the second law applies statistically on time-asymmetric boundary conditions. [ 97 ]