![]() ![]() These concepts seem deceptively simple, but they have some mind-bending implications. According to Einstein, if Superman were to chase a light beam at half the speed of light, the beam would continue to move away from him at exactly the same speed. The second said that the speed of light - about 186,000 miles per second (300,000 kilometers per second) - is constant and independent of the observer's motion or the source of light. The first stated that the same laws of physics apply equally in all constantly moving frames of reference. ![]() Two important principles underpinned his theory. In 1905, Einstein published his theory of special relativity, which put forth a startling idea: There is no preferred frame of reference. Then a German-born mathematician and physicist by the name of Albert Einstein came along and changed everything. In the early 1900s, scientists held firm to the Newtonian view of the world. ![]()
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