Via Panisperna Boys
Via Panisperna boys () is the name given to a group of young Italian scientists led by Enrico Fermi, who worked at the Royal Physics Institute of the University of Rome La Sapienza and made the famous discovery of slow neutrons in 1934. This later enabled development of the nuclear reactor and construction of the first atomic bomb. The members of the group were Enrico Fermi, Edoardo Amaldi, Oscar D'Agostino, Ettore Majorana, Bruno Pontecorvo, Franco Rasetti and Emilio Segrè. All were physicists, except for D'Agostino, who was a chemist. Their collective nickname comes from the address of the Royal Physics Institute, located in a street of Rione Monti in the city centre named in turn after a nearby monastery, San Lorenzo in Panisperna. The growth of the group The group grew under the supervision of the physicist, minister, senator and director of the Institute of Physics Orso Mario Corbino. Corbino recognized the qualities of Enrico Fermi and led the commission which appointed ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Ragazzi Di Via Panisperna
Ragazzi is an Italian surname. Notable people with the surname include: * Cesare Ragazzi (1941–2024), Italian entrepreneur, inventor and television personality * Luca Ragazzi (born 1971), Italian film director, screenwriter, journalist and actor * Umberto Ragazzi (born 1953), Italian rower See also * Ragazzoni {{surname Italian-language surnames ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Orso Mario Corbino
Orso Mario Corbino (30 April 1876 – 23 January 1937) was an Italian physicist and politician. He is noted for his studies of the influence of external magnetic fields on the motion of electrons in metals and he discovered the Corbino effect. He served as Minister for education in 1921–1922 and as Minister for National Economy in 1923–1924. He also served as professor of the University of Messina (1905) and of the University of Rome (1908). He was also the supervisor of the Via Panisperna boys (including Enrico Fermi). Life His younger brother was Epicarmo Corbino. Corbino graduated from the University of Palermo at the age of 20. There he worked as assistant of Damiano Macaluso, discovering the Macaluso-Corbino effect, a strong magneto-rotation of the plane of polarization observed at wavelengths close to an absorption line of the material through which the light is travelling. In 1905 he obtained the chair of experimental physics at the University of Messina, ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Alpha Particle
Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of alpha decay but may also be produced in different ways. Alpha particles are named after the first letter in the Greek alphabet, α. The symbol for the alpha particle is α or α2+. Because they are identical to helium nuclei, they are also sometimes written as He2+ or 2+ indicating a helium ion with a +2 charge (missing its two electrons). Once the ion gains electrons from its environment, the alpha particle becomes a normal (electrically neutral) helium atom . Alpha particles have a net spin of zero. When produced in standard alpha radioactive decay, alpha particles generally have a kinetic energy of about 5 MeV and a velocity in the vicinity of 4% of the speed of light. They are a highly ionizing form of particle radiation, with low penetration depth (stopped b ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Beryllium
Beryllium is a chemical element; it has Symbol (chemistry), symbol Be and atomic number 4. It is a steel-gray, hard, strong, lightweight and brittle alkaline earth metal. It is a divalent element that occurs naturally only in combination with other elements to form minerals. Gemstones high in beryllium include beryl (Aquamarine (gemstone), aquamarine, emerald, red beryl) and chrysoberyl. It is a Abundance of the chemical elements#Universe, relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays. Within the cores of stars, beryllium is depleted as it is fused into heavier elements. Beryllium constitutes about 0.0004 percent by mass of Earth's crust. The world's annual beryllium production of 220 tons is usually manufactured by extraction from the mineral beryl, a difficult process because beryllium bonds strongly to oxygen. In structural applications, the combination of high flexural ri ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Neutrons
The neutron is a subatomic particle, symbol or , that has no electric charge, and a mass slightly greater than that of a proton. The neutron was discovered by James Chadwick in 1932, leading to the discovery of nuclear fission in 1938, the first self-sustaining nuclear reactor (Chicago Pile-1, 1942) and the first nuclear weapon (Trinity, 1945). Neutrons are found, together with a similar number of protons in the nuclei of atoms. Atoms of a chemical element that differ only in neutron number are called isotopes. Free neutrons are produced copiously in nuclear fission and fusion. They are a primary contributor to the nucleosynthesis of chemical elements within stars through fission, fusion, and neutron capture processes. Neutron stars, formed from massive collapsing stars, consist of neutrons at the density of atomic nuclei but a total mass more than the Sun. Neutron properties and interactions are described by nuclear physics. Neutrons are not elementary particles; each is ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Chemical Element
A chemical element is a chemical substance whose atoms all have the same number of protons. The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8: each oxygen atom has 8 protons in its atomic nucleus, nucleus. Atoms of the same element can have different numbers of neutrons in their nuclei, known as isotopes of the element. Two or more atoms can combine to form molecules. Some elements form Homonuclear molecule, molecules of atoms of said element only: e.g. atoms of hydrogen (H) form Diatomic molecule, diatomic molecules (H). Chemical compounds are substances made of atoms of different elements; they can have molecular or non-molecular structure. Mixtures are materials containing different chemical substances; that means (in case of molecular substances) that they contain different types of molecules. Atoms of one element can be transformed into atoms of a different element in nuclear reactions, which change an atom's at ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Atomic Nucleus
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford at the Department_of_Physics_and_Astronomy,_University_of_Manchester , University of Manchester based on the 1909 Geiger–Marsden experiments, Geiger–Marsden gold foil experiment. After the discovery of the neutron in 1932, models for a nucleus composed of protons and neutrons were quickly developed by Dmitri Ivanenko and Werner Heisenberg. An atom is composed of a positively charged nucleus, with a cloud of negatively charged electrons surrounding it, bound together by electrostatic force. Almost all of the mass of an atom is located in the nucleus, with a very small contribution from the electron cloud. Protons and neutrons are bound together to form a nucleus by the nuclear force. The diameter of the nucleus is in the range of () for hydrogen (the diameter of a single proton) to about for uranium. These dimensions are much ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Spectroscopy
Spectroscopy is the field of study that measures and interprets electromagnetic spectra. In narrower contexts, spectroscopy is the precise study of color as generalized from visible light to all bands of the electromagnetic spectrum. Spectroscopy, primarily in the electromagnetic spectrum, is a fundamental exploratory tool in the fields of astronomy, chemistry, materials science, and physics, allowing the composition, physical structure and electronic structure of matter to be investigated at the atomic, molecular and macro scale, and over astronomical distances. Historically, spectroscopy originated as the study of the wavelength dependence of the absorption by gas phase matter of visible light dispersed by a prism. Current applications of spectroscopy include biomedical spectroscopy in the areas of tissue analysis and medical imaging. Matter waves and acoustic waves can also be considered forms of radiative energy, and recently gravitational waves have been associa ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Dolomites
The Dolomites ( ), also known as the Dolomite Mountains, Dolomite Alps or Dolomitic Alps, are a mountain range in northeastern Italy. They form part of the Southern Limestone Alps and extend from the River Adige in the west to the Piave Valley ( Pieve di Cadore) in the east. The northern and southern borders are defined by the Puster Valley and the Sugana Valley (). The Dolomites are in the regions of Veneto, Trentino-Alto Adige/Südtirol and Friuli-Venezia Giulia, covering an area shared between the provinces of Belluno, Vicenza, Verona, Trentino, South Tyrol, Udine and Pordenone. Other mountain groups of similar geological structure are spread along the River Piave to the east—; and far away over the Adige River to the west—'' Dolomiti di Brenta'' (Western Dolomites). A smaller group is called (Little Dolomites), between the provinces of Trentino, Verona and Vicenza. The Dolomiti Bellunesi National Park and many other regional parks are in the Dolomites. On 26 J ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Ugo Amaldi (mathematician)
Ugo Amaldi (18 April 1875 – 11 November 1957) was an Italian mathematician. He contributed to the field of analytic geometry and worked on Lie groups. His son Edoardo was a physicist. Biography He graduated in mathematics (21 November 1898) at the University of Bologna under the guidance of S. Pincherle. He taught at the University of Cagliari (1903-1905), Modena (1905-1919), Padova (1919-1924), Roma Roma or ROMA may refer to: People, characters, figures, names * Roma or Romani people, an ethnic group living mostly in Europe and the Americas. * Roma called Roy, ancient Egyptian High Priest of Amun * Roma (footballer, born 1979), born ''Paul ... (1924-1950). Notes 1875 births 1954 deaths 20th-century Italian mathematicians University of Bologna alumni Members of the Pontifical Academy of Sciences Scientists from Verona {{Italy-mathematician-stub ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Como Conference
The International Congress of Physicists (), better known as the Como Conference or the Volta Conference, was an international academic conference held from 11 to 27 September 1927, near Lake Como, Italy as part of a series of celebrations of the hundredth anniversary of the death of Alessandro Volta. This conference inspired the Volta Congresses held in Rome and organized since 1931. It concerned the topic of Volta's work and quantum mechanics. It gathered 61 physicists and mathematicians from all over the world. During the conference, Niels Bohr first introduced the principle of complementarity. The first quantum theory of metals was also discussed through the works of Arnold Sommerfeld and Enrico Fermi. Organization The conference was part of the Volta centennial anniversary celebrations () ordered by the government of Benito Mussolini. The physics conference was organized by the Italian Physical Society. The program was organized by Quirino Majorana, president of the soc ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Florence
Florence ( ; ) is the capital city of the Italy, Italian region of Tuscany. It is also the most populated city in Tuscany, with 362,353 inhabitants, and 989,460 in Metropolitan City of Florence, its metropolitan province as of 2025. Florence was a centre of Middle Ages, medieval European trade and finance and one of the wealthiest cities of that era. It is considered by many academics to have been the birthplace of the Renaissance, becoming a major artistic, cultural, commercial, political, economic and financial center. During this time, Florence rose to a position of enormous influence in Italy, Europe, and beyond. Its turbulent political history includes periods of rule by the powerful House of Medici, Medici family and numerous religious and republican revolutions. From 1865 to 1871 the city served as the capital of the Kingdom of Italy. The Florentine dialect forms the base of Italian language, standard Italian and it became the language of culture throughout Italy due to ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |