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Learn how Rutherford and his colleagues discovered the nucleus of the atom by measuring how alpha particles are scattered by a thin metal foil. Find out the history, the method, and the results of the landmark experiments that changed the understanding of atomic structure.
Learn about the quantum mechanical description that generalizes the classical action principle and sums over all possible trajectories. Find out the history, applications, advantages and disadvantages of the path integral formulation and its relation to other formalisms.
Isaac Newton was a mathematician, physicist, astronomer, alchemist, theologian, and author who formulated the laws of motion and universal gravitation. He published his findings in the Principia, which explained the Solar System's heliocentricity and the motion of objects on Earth and celestial bodies.
Rapper Nelly is being sued by four former bandmates who claim the Grammy-winning star failed to give them songwriting credits for a number of songs on his hit debut album Country Grammar. St ...
A liquid-crystal display (LCD) is a flat-panel device that uses liquid crystals and polarizers to modulate light. LCDs are widely used in various applications, such as TVs, computers, watches, and mobile phones.
The following is an alphabetical list of Greek and Latin roots, stems, and prefixes commonly used in the English language from A to G. See also the lists from H to O and from P to Z.
The Drake equation estimates the number of active, communicative civilizations in the Milky Way Galaxy by multiplying several factors, such as the rate of star formation, the fraction of planets with life, and the length of time for signals. The equation was formulated by Frank Drake in 1961 and has stimulated scientific dialogue on the search for extraterrestrial intelligence (SETI).
The gamma function is an extension of the factorial function to complex numbers, defined by an integral, an infinite product, or a Mellin transform. It has many applications in calculus, statistics, physics and number theory, and satisfies various functional equations such as Euler's reflection formula and the Legendre duplication formula.