![]() ![]() The reader learns of the equivalence of the effects of gravity and acceleration, of the absolute speed limit of the speed of light, of the relativity of time to the frame of reference of the observer and the fantastic distortions of space and time as the speed of light is approached by any object. She describes how only advances in technology from the late 19th century onward have made it possible to prove Einstein's work, with plain language accounts of how experiments to make the proof were conducted. She emphasizes the breakthrough his discoveries made, superceding Newton's famous laws. ![]() ![]() Necia Apfel must have had this in mind when she wrote this delightful book aimed at young people but enjoyable to all, as your elderly reviewer can testify.īased on Einstein's special and general theories of relativity, Apfel seeks to explain their meaning without using math doing so using simple diagrams and thought experiments that I have no doubt Albert would have approved. Einstein said that it should be possible to explain anything in physics to a high school student. ![]()
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