![]() Einstein received the 1921 Nobel Prize in physics for This device made possible sound motion pictures, television and many The photoelectric cell resulted from Einstein’s work. He showed that when quanta of lightĮnergy strikes atoms in the metal, the quanta force the atoms to release Waves theory of light could not explain the Photoelectric effect.Įxplained the photoelectric effect. Instead, the energy of light existed as a stream ofĬan liberate by impact electrons from a metal surface. Planck devise an explanation for the blackīody effect, stating that the light was not continuous energy The blackīody does not reflect the light and takes in all the energy of the Had been working on an effect called black body radiation. Einstein built in on the work of Max Planck. Is the most important result obtained in connection with the theory of The expedition was presented to a special joint meeting of the RoyalĪstronomical Society and the Royal Society of London on November 6,ĭiscoverer of the electron and Chair of the meeting, was convinced: “This An English expedition in the area of the eclipse haveĪctually measured the deflexion of starlight from the sun. Positions in the sky when the sun is in front of them, compared to theirĮinstein’s theory that the light could be bend by the gravitationalįorce of the sun. The result is that the stars are seen in slightly different Therefore light could be bend by the gravitation force of the sun.Ĭlosely bypassing the sun on the way to the earth are being bend by the Says that even pure energy has to behave in some ways like mass. Photons don’t have mass, they have energy, and Einstein’s theory Of relativity to the Prussian Academy of Sciences in 1915. The theory is submitted to Annalen der Physik on Mar. Of gravitation, known as the general theory of relativity, on Nov. Time and positionĪre all relative to the observer: hence the theory has been called Relation to the observer who performs the measurement. The space and time are absolute, universal and independent of Laws of motion and formulated the law of universal gravitation in hisĬentury. Both space and time are no longer absolutes. This notion are profound, and shatter the Newtonian conception of the The idea that only relative motion can be measured. (energy equals mass times the velocity of light squared), became theįoundation stone in the development of atomic energy. Revolutionized scientific thought with new conceptions of time, space, In this paper, he showed how the theoryĭemonstrated the relativity of time, a previously unimaginable idea. His scientific foundation in the development of atomic energy.Įlectrodynamics of Moving Bodies,” Einstein presented the special EinsteinĬhanged the political balance of power in the twentieth century, through Relativity-still central to our understanding of the universe. ![]() Of molecules in a liquid can cause the Brownian motion.įormulated the photon theory of light and explains the photoelectric Relativity, which laid the basis for the release of atomic energy.Įquivalence through his famous formula E=mc² Albert Einstein became famous for the theory of Each of them became the basisĮxchangeable. Physics), a German scientific periodical. In 1905Įinstein contributed three papers to Annalen der Physik (Annals of He was one of the greatest scientists of all time. Secretary General, Tesla Memorial Society of New YorkĪtomic age. ![]()
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