Max Planck

(redirected from Max Plank)
Also found in: Dictionary, Thesaurus.

Planck, Max

(mäks plängk), 1858–1947, German physicist. Seeking to explain the experimental spectrumspectrum,
arrangement or display of light or other form of radiation separated according to wavelength, frequency, energy, or some other property. Beams of charged particles can be separated into a spectrum according to mass in a mass spectrometer (see mass spectrograph).
..... Click the link for more information.
 (distribution of electromagnetic energy according to wavelength) of blackbodyblackbody,
in physics, an ideal black substance that absorbs all and reflects none of the radiant energy falling on it. Lampblack, or powdered carbon, which reflects less than 2% of the radiation falling on it, crudely approximates an ideal blackbody; a material consisting of a
..... Click the link for more information.
 radiation, he introduced the hypothesis (1900) that oscillating atoms absorb and emit energy only in discrete bundles (called quanta) instead of continuously, as assumed in classical physics. The success of his work and subsequent developments by Albert EinsteinEinstein, Albert
, 1879–1955, American theoretical physicist, known for the formulation of the relativity theory, b. Ulm, Germany. He is recognized as one of the greatest physicists of all time.
..... Click the link for more information.
, Niels BohrBohr, Niels Henrik David
, 1885–1962, Danish physicist, one of the foremost scientists of modern physics. He studied at the Univ. of Copenhagen (Ph.D. 1911) and carried on research on the structure of the atom at Cambridge under Sir James J.
..... Click the link for more information.
, Werner HeisenbergHeisenberg, Werner
, 1901–76, German physicist. One of the founders of the quantum theory, he is best known for his uncertainty principle, or indeterminacy principle, which states that it is impossible to determine with arbitrarily high accuracy both the position and
..... Click the link for more information.
, Erwin SchrödingerSchrödinger, Erwin
, 1887–1961, Austrian theoretical physicist. He was educated at Vienna, taught at Breslau and Zürich, and was professor at the Univ. of Berlin (1927–33), fellow of Magdalen College, Oxford (1933–36), and professor at the Univ.
..... Click the link for more information.
, and others established the revolutionary quantum theoryquantum theory,
modern physical theory concerned with the emission and absorption of energy by matter and with the motion of material particles; the quantum theory and the theory of relativity together form the theoretical basis of modern physics.
..... Click the link for more information.
 of modern physics, of which Planck is justly regarded as the father. In 1918, Planck received the Nobel Prize in physics for his work on blackbody radiation. He was professor at the Univ. of Berlin (1889–1928) and president (1930–35) of the Kaiser Wilhelm Society for the Advancement of Science, Berlin, which after World War II was reconstituted as part of the Max Planck Institutes. He was an editor of the Annalen der Physik and member of the Royal Society (London) and the American Physical Society. His name is honored in Planck's constantPlanck's constant
, fundamental constant of the quantum theory. It is represented by the letter h and has a value of 6.62607 × 10−34 joule-second. The combination h/2π, denoted by h (called "h-bar"), occurs frequently.
..... Click the link for more information.
. English translations of his works include A Survey of Physics (1925, new ed. 1960), Introduction to Theoretical Physics (5 vol., 1932–33), Treatise on Thermodynamics (3d rev. ed. 1945), and Scientific Autobiography and Other Papers (1949).

Bibliography

See biography by B. R. Brown (2015).

References in periodicals archive ?
Leyenda: Svante Paabo, director del Instituto Max Plank de Antropologia Evolutiva, y principal responsable del estudio de Denny.
The Max Plank Gymnasium Koetschaustrae 36 in Dusseldorf-Stockum to be extended by a train (from 4 to 5 trains).
who is also affiliated with the Max Plank Institute for Evolutionary Anthropology in Leipzig, Germany.
El llamado Principio de Incertidumbre dentro de la ciencia fisica desarrollada por Max Plank, Albert Einstein, Luis De Broglie, Erwing Schrodinger, Niels Bohr, Stephen Hawking, entre otros, lo ha tocado todo; y, el fenomeno economico no es excepcion.
The study, conducted by researchers at Germany's Max Plank Institute, found that a man's chances of dying early are cut by 20 per cent if their bride is between 15 and 17 years their junior, reports the Daily Telegraph.
Investigadores del Instituto Max Plank de Antropologia Evolutiva, de Alemania y del Proyecto de Investigacion de Atapuerca, de Espana, obtuvieron la secuencia casi completa del genoma de las mitocondrias (organulos intracelulares que proveen de energia a las celulas) de un femur humano de hace 400 mil anos.
The team was from Space Science and Engineering Center, University of Wisconsin-Madison, US, ASF, INAF, Italy, and, Max Plank Institute for Solar System Research, Germany.
Mas alla de Versalles y fragancias inscritas en una voraz carrera comercial, vale la pena detenerse en los puntos de vista de los cientificos de la Universidad de Cardiff y la Sociedad Max Plank.
Por su parte, cientificos del Instituto Max Plank de Antropologia Evolutiva, de Leipzig, Alemania, han observado a bonobos o chimpances pigmeos mover la cabeza de un lado a otro para evitar o prevenir la conducta de otro bonobo; sin embargo, han advertido que no estan seguros de que realmente quieran "decir no" cuando sacuden la cabeza.
En una investigacion publicada en la revista Nature, en agosto del ano pasado, dirigida por Shannon McPherron, arqueologo del Instituto de Antropologia Evolutiva del Instituto Max Plank de Leipzig, Alemania, y Zeresenay Alemseged de la Academia de Ciencias de San Francisco, Estados Unidos, se informa que esos huesos de animales fueron partidos con piedras para llegar a la medula osea o tuetano, que tiene un elevado valor nutricional.
En marzo del ano pasado, Johannes Krause y Svante Paabo, del Instituto Max Plank de Antropologia Evolutiva, de Leipzig, Alemania, informaron que el ADN de la mitocondria (estructura de la celula que genera energia, la cual se hereda unicamente por la via materna) del denisovano era distinto al de los neandertales y del hombre moderno, lo que parecia indicar una evolucion diferente (Siempre!, No.
Los investigadores, encabezados por Johannes Krause y Svante Paabo, del Instituto Max Plank de Antropologia Evolutiva, de Leipzig, Alemania, encontraron grandes diferencias con el ADN mitocondrial del ser humano moderno y tambien del neandertal, por lo que Paabo considero que "los neandertales y los hombres modernos divergieron evolutivamente hace medio millon de anos aproximadamente, y el ancestro comun de los tres linajes, incluido el nuevo, data de un millon de anos.