Kirchhoff, GustavRobert
Kirchhoff, GustavRobert (1824–87)Germanphysicist. With the chemist Robert Wilhelm Bunsen (1811–99) he established the principles of spectral analysis. In 1859 he reasoned that the
Fraunhofer lines in the solar spectrum indicated that light from the photosphere was being absorbed at those wavelengths by the Sun's atmosphere. Furthermore, he realized that the Fraunhofer D lines were produced by sodium in the Sun's atmosphere, and other Fraunhofer lines would therefore reveal which other elements were present in the Sun. From then on, astronomical spectroscopy developed rapidly in the hands of others such as P. A.
Secchi in Italy and W.
Huggins in England.
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A critical analysis of Universality and Kirchhoff's Law: a return to Stewart's Law of thermal emission.(Formula)
Magazine article from: Progress in Physics; 7/1/2008; ; 700+ words
; ...universality is presented. This treatment reveals that Gustav Robert Kirchhoff has not properly considered the combined effects...and on the frequency of observation. Conversely, Gustav Kirchhoff [2-4] reaches the conclusion that the emissive...
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The mysterious Mr. Biv.
Magazine article from: Odyssey; 12/1/2007; ; 700+ words
; ...until 1859. Two chemists, Robert Bunsen and Gustav Kirchhoff finally exposed Mr. Biv...became known as spectroscopy. Gustav Kirchhoff proved what a powerful tool...color! It was then that Gustav Kirchhoff had a stroke of inspired...
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Blackbody radiation and the carbon particle.
Magazine article from: Progress in Physics; 7/1/2008; ; 700+ words
; Since the days of Kirchhoff, blackbody radiation has been...Nonetheless, in promoting this concept, Kirchhoff did require, at the minimum...Quentin Desain, Balfour Stewart, Gustav Robert Kirchhoff, and Max Karl Ernst Ludwig Planck...
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Over the rainbow
Magazine article from: Natural History; 9/1/2001; ; 700+ words
; ...nighttime sky. By the mid-1800s, German chemists Gustav Kirchhoff and Robert Bunsen (of "Bunsen burner" fame) were making...era of quantum mechanics, a half century after Kirchhoff and Bunsen. But the conceptual leap had already...
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Over the Rainbow.(stars and astrophysics)
Magazine article from: Natural History; 9/1/2001; ; 700+ words
; ...nighttime sky. By the mid-1800s, German chemists Gustav Kirchhoff and Robert Bunsen (of "Bunsen burner" fame) were making...era of quantum mechanics, a half century after Kirchhoff and Bunsen. But the conceptual leap had already...
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"From sunlight to lasers".
Magazine article from: Laser Focus World; 3/1/2000; ; 700+ words
; ...planetary spectra. Also in the 19th century, Gustav Kirchhoff (1824-1887), the founder of spectral analysis...between emission and absorption spectra of light. Kirchhoff also collaborated with Robert Bunsen (1811-1899) in investigating flame...
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The Baseline: Spectroscopy Is Applied Quantum Mechanics, Part I: The Need for Quantum Mechanics
Magazine article from: Spectroscopy; 12/1/2007; ; 700+ words
; ...main issues. Spectroscopy In 1860, Robert Bunsen (of Bunsen burner fame) and Gustav Kirchhoff (of Kirchhoff's laws fame) invented the spectroscope...particular colors of light. Bunsen and Kirchhoff quickly concluded that the colors of...
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The Science Guy's Latest Experiment; In TV Series, Bill Nye Honors Those Who Made It All Possible
Newspaper article from: The Washington Post; 12/4/2004; ; 700+ words
; ...American -- or even to those of us who think we're pretty savvy about science. Who remembers Humphry Davy? Gustav Kirchhoff and Robert Bunsen? Amedeo Avogadro? Sure, most of us know that George Beadle and Edward Tatum figured out that genes...
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A Look Back at the 20th century...Spectrometers.
Magazine article from: Modern Casting; 10/1/2000; ; 700+ words
; ...in the sun spectrum are due to absorption of continuous radiation by vapors of the elements. In 1860, Robert Bunsen and Gustav Kirchhoff demonstrated how they could identify useful elements such as iron, copper and lead, or sodium and potassium...
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Winners of IEEE CAS Awards Presented in Taipei.
Newspaper article from: China Weekly News; 6/9/2009; 700+ words
; ...introduced in the Award Ceremony as well. The 2009 IEEE Gustav Robert Kirchhoff Award, sponsored by the IEEE Circuits and Systems...long-term significance or impact. Apart from Gustav Robert Kirchhoff Award, the annual IEEE ISCAS 2009 also presented...
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Gustav Robert Kirchhoff
Encyclopedia entry from: Encyclopedia of World Biography
Gustav Robert Kirchhoff The German physicist Gustav Robert Kirchhoff (1824-1887) is best remembered for his pioneering work in spectroscopy that permitted investigation of the chemical composition of stars. Gustav Kirchhoff was born on March...
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Kirchhoff, Gustav Robert
Dictionary entry from: Complete Dictionary of Scientific Biography
Kirchhoff, Gustav Robert ( b . K ö nigsberg, Germany...Germany, 17 October 1887) physics. Kirchhoff ’ s major contribution to...the service of the Prussian state. Gustav, the most gifted, upheld this tradition...
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Bunsen, Robert
Book article from: Chemistry: Foundations and Applications
Bunsen, Robert GERMAN CHEMIST 1811 – 1899 Robert Wilhelm Bunsen, born in G...collaboration with the German physicist Gustav Kirchhoff. Bunsen became interested...they glowed. He heard that Kirchhoff was involved in similar work...
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Robert Wilhelm Bunsen
Encyclopedia entry from: Encyclopedia of World Biography
Robert Wilhelm Bunsen The German chemist and physicist Robert Wilhelm Bunsen (1811...chemical spectroscopy. Robert Bunsen was born on March...Bunsen was his work with Gustav Kirchhoff, the German physicist...
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Bunsen, Robert Wilhelm Eberhard
Dictionary entry from: Complete Dictionary of Scientific Biography
Bunsen, Robert Wilhelm Eberhard ( b G ö ttingen...Runge, the discoverer of aniline, and Gustav Rose; and worked in Heinrich Rose...Breslau, where he became acquainted with Gustav Kirchhoff, with whom he later did important research...
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