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14 ore fa · In the scattering experiinent conducted by Geiger and Marsden, some of the alpha particles were deflected. The explanation for this phenomenon is that (A) electrons have a small mass (B) electrons have a small charge (C) the meta! foil was only a few atoms thick (D) the nuclear charge and mass are concentrated in a small volume
14 ore fa · Richard Feynman. Richard Phillips Feynman ( / ˈfaɪnmən /; May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, as well as his work in particle ...
14 ore fa · Im Jahr 1950 geht die institutionelle Verfestigung der Teilung der Welt in zwei Lager weiter, der Kalte Krieg nimmt an Intensität zu. Im Koreakrieg stehen sich die beiden Lager das erste Mal militärisch gegenüber. Auch die Innenpolitik der USA wird davon bestimmt, in der sogenannten McCarthy-Ära .
