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Há 1 dia · J. Robert Oppenheimer. J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈɒpənhaɪmər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist. He was director of the Manhattan Project 's Los Alamos Laboratory during World War II and is often called the "father of the atomic bomb ".
Há 18 horas · Uno de estos científicos fue J.J. Thomson (1856-1940), un físico británico que es conocido por su descubrimiento del electrón. En 1897, Thomson realizó una serie de experimentos con tubos de rayos catódicos que le llevaron a postular la existencia de partículas subatómicas con carga negativa, a las que llamó «corpúsculos».
Há 5 dias · Judith Jarvis Thomson, renowned philosopher and professor at the Massachusetts Institute of Technology, has made significant contributions to moral theory and ethics. Through her groundbreaking work, Thomson has challenged conventional viewpoints and sparked intense debates on controversial topics.
Há 5 dias · JJ Thomson and Ernst Rutherford proved that the atom is divisible by their discovery of the electron and the nucleus. So, how did Rutherford discover the nucleus? By alpha scattering experiment, popularly known as the gold foil experiment. Tracking the composition of matter. Matter, Molecules, and Atoms.
Há 4 dias · Postulates of Thomson’s atomic model: According to Thomson atoms were positively charged spheres and the electrons were embedded in it. The negative and positive charges were equal in magnitude, so the overall atom was electrically neutral. The positive charge on the atom was uniformly distributed.
Há 2 dias · Thomson pioneered the theory, which was distinct from the 17th century vortex theory of René Descartes in that Thomson was thinking in terms of a unitary continuum theory, whereas Descartes was thinking in terms of three different types of matter, each relating respectively to emission, transmission, and reflection of light.
Há 3 dias · Algumas teorias motivacionais citadas por ZANELLI ajudam a explicar como o ser humano pode ser motivado, nas décadas de 1940, 50 e 60 foram construídas a maior parte das teorias motivacionais, dentre elas a teoria das necessidades de Maslow (1943), a teoria das necessidades (afiliação, poder e realização) de McClelland (1953), a teoria ...
