Guess the name of the actor
Look carefully at the picture and guess the name of the actor who is sitting to the left.Correct answers: 52
The first user who solved this task is Donya Sayah.
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Lester GermerDied 10 Mar 1971 at age 74 (born 10 Oct 1896).Lester Halbert Germer was an American physicist who, with his colleague Clinton Joseph Davisson, conducted an experiment (1927) that first demonstrated the wave properties of the electron. They showed that a beam of electrons scattered by a crystal produces a diffraction pattern characteristic of a wave. This experiment confirmed the hypothesis of Louis-Victor de Broglie, a founder of wave mechanics, that the electron should show the properties of an electromagnetic wave as well as a particle. He also studied thermionics, erosion of metals, and contact physics. |