• Thumbnail for Gustav Kirchhoff
    Gustav Robert Kirchhoff (German: [ˈkɪʁçhɔf]; 12 March 1824 – 17 October 1887) was a German physicist and mathematician who contributed to the fundamental...
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  • electrical circuits. They were first described in 1845 by German physicist Gustav Kirchhoff. This generalized the work of Georg Ohm and preceded the work of James...
    12 KB (1,707 words) - 15:43, 2 November 2024
  • Kirchhoff's laws, named after Gustav Kirchhoff, may refer to: Kirchhoff's circuit laws in electrical engineering Kirchhoff's law of thermal radiation Kirchhoff...
    661 bytes (91 words) - 13:24, 11 September 2023
  • expert Detlef Kirchhoff (born 1967), German rower Fritz Kirchhoff (1901–1953), German screenwriter, film producer and director Gustav Kirchhoff (1824–1887)...
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  • Thumbnail for Black-body radiation
    approximation for the energy they emit. The term black body was introduced by Gustav Kirchhoff in 1860. Blackbody radiation is also called thermal radiation, cavity...
    68 KB (8,667 words) - 14:11, 13 November 2024
  • Thumbnail for Kirchhoff's law of thermal radiation
    In heat transfer, Kirchhoff's law of thermal radiation refers to wavelength-specific radiative emission and absorption by a material body in thermodynamic...
    27 KB (3,710 words) - 21:06, 7 July 2024
  • Thumbnail for Robert Bunsen
    1861) with the physicist Gustav Kirchhoff. The Bunsen–Kirchhoff Award for spectroscopy is named after Bunsen and Kirchhoff. Bunsen also developed several...
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  • case of finite deformations, the Piola–Kirchhoff stress tensors (named for Gabrio Piola and Gustav Kirchhoff) express the stress relative to the reference...
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  • mathematical field of graph theory, Kirchhoff's theorem or Kirchhoff's matrix tree theorem named after Gustav Kirchhoff is a theorem about the number of...
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  • Thumbnail for Planck's law
    wavelengths. Gustav Kirchhoff was Max Planck's teacher and surmised that there was a universal law for blackbody radiation and this was called "Kirchhoff's challenge"...
    141 KB (18,058 words) - 22:17, 12 October 2024
  • Thumbnail for Kirchhoff–Love plate theory
    The Kirchhoff–Love theory of plates is a two-dimensional mathematical model that is used to determine the stresses and deformations in thin plates subjected...
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  • Thumbnail for Kirchhoff (crater)
    Kirchhoff is a small lunar impact crater that is located in the northern part of the Montes Taurus range. It was named after German physicist Gustav Kirchhoff...
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  • Kirchhoff's diffraction formula (also called Fresnel–Kirchhoff diffraction formula) approximates light intensity and phase in optical diffraction: light...
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  • Thumbnail for Rubidium
    the estimated age of the universe. German chemists Robert Bunsen and Gustav Kirchhoff discovered rubidium in 1861 by the newly developed technique, flame...
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  • Thumbnail for Flame test
    and dark red was observed in spectral emissions by Robert Bunsen and Gustav Kirchhoff, leading to the discovery of two alkali metals, caesium (sky-blue)...
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  • Thumbnail for Fraunhofer lines
    sunlight can detect many thousands of lines. About 45 years later, Gustav Kirchhoff and Robert Bunsen noticed that several Fraunhofer lines coincide with...
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  • Thumbnail for Caesium
    about 260 picometres. The German chemist Robert Bunsen and physicist Gustav Kirchhoff discovered caesium in 1860 by the newly developed method of flame spectroscopy...
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  • Thumbnail for Ohm's law
    of resistivity ρ (rho). This reformulation of Ohm's law is due to Gustav Kirchhoff. In January 1781, before Georg Ohm's work, Henry Cavendish experimented...
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  • In fluid dynamics, the Kirchhoff equations, named after Gustav Kirchhoff, describe the motion of a rigid body in an ideal fluid. d d t ∂ T ∂ ω = ∂ T ∂...
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  • Thumbnail for Otto Hesse
    Academy of Sciences. His doctoral students include Olaus Henrici, Gustav Kirchhoff, Jacob Lüroth, Adolph Mayer, Carl Neumann, Max Noether, Ernst Schröder...
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  • The Kirchhoff stress ( τ {\displaystyle {\boldsymbol {\tau }}} ). The nominal stress ( N {\displaystyle {\boldsymbol {N}}} ). The Piola–Kirchhoff stress...
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  • Thumbnail for Gustav (name)
    psychology Gustav Ritter von Kahr (1862–1934), German right-wing politician in Bavaria Gustaf Kalliokangas (1873–1940), Finnish president Gustav Kirchhoff (1824–1887)...
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  • Thumbnail for Emission spectrum
    independent observation of the Balmer lines of hydrogen. By 1859, Gustav Kirchhoff and Robert Bunsen noticed that several Fraunhofer lines (lines in the...
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  • Thumbnail for Ludwig Boltzmann
    Heidelberg working with Robert Bunsen and Leo Königsberger and in 1871 with Gustav Kirchhoff and Hermann von Helmholtz in Berlin. In 1873 Boltzmann joined the University...
    48 KB (5,383 words) - 21:59, 18 November 2024
  • Thumbnail for Spectroscopy
    Spectroscopy (category Gustav Kirchhoff)
    elemental composition. After inventing the spectroscope, Robert Bunsen and Gustav Kirchhoff discovered new elements by observing their emission spectra. Atomic...
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  • Thumbnail for Nonmetallic material
    through K and weaker lines with other letters. About 45 years later, Gustav Kirchhoff and Robert Bunsen noticed that several Fraunhofer lines coincide with...
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  • Thumbnail for Max Planck
    Berlin for a year of study with physicists Hermann von Helmholtz and Gustav Kirchhoff and mathematician Karl Weierstrass. He wrote that Helmholtz was never...
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  • Thumbnail for Analytical chemistry
    analysis was flame emissive spectrometry developed by Robert Bunsen and Gustav Kirchhoff who discovered rubidium (Rb) and caesium (Cs) in 1860. Most of the...
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  • Thumbnail for Metallicity
    through K and weaker lines with other letters. About 45 years later, Gustav Kirchhoff and Robert Bunsen noticed that several Fraunhofer lines coincide with...
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  • Thumbnail for Science and technology in Germany
    The prize is named in honor of chemist Robert Bunsen and physicist Gustav Kirchhoff (→ Physics). The Helmholtz Prize is awarded with €20,000 every two...
    53 KB (5,340 words) - 06:44, 16 November 2024