In 1905, albert einstein published the theory of special relativity, which explains how to interpret motion between different inertial frames of reference that is, places that are moving at constant speeds relative to each other. Emc a biography of the worlds most famous equation by david. E mc 2 explained how would 10 top physiciststwo nobel prize winners among themdescribe einstein s equation to curious nonphysicists. Einstein s relativity explained in 4 simple steps the revolutionary physicist used his imagination rather than fancy math to come up with his most famous and elegant equation. There are plenty of books that try to explain it, but who can honestly say they. His theory of relativity is the most important scientific idea of the modern era. Einstein s most famous equation, e mc2, falls into that category, stating that the energy content of a massive body is equal to that objects mass times the speed of light squared. Getting to grips with einsteins famous equation can be a bit of an assault course for the novice, but, says alok jha, the reader is in supremely. This book is a vague, cursory and half hearted biography of einstein and the people he came in contact with and barely touches on what the science of e mc2 is about. Later on in the book the equation is used to explain such things as the scientific creation of earth, where stardust comes from and then on to black holes. Albert einstein profoundly changed physics and ideas about space and time. Time s man of the century, albert einstein is the unquestioned founder of modern physics. The theory of relativity and other essays read book online. Discover the thought process and physics behind general relativity and einstein s contribution to science, in.
The book is an excellent explanation of how einstein derived the formula, how such a simple formula can possibly describe the energy stored in matter, and. In 1905, albert einstein wrote two papers that introduced his special theory of relativity and the now famous equation emc2. Yet e mc2 tells us something even more fundamental. If your looking for a clear scientific explanation of what e mc2 means then buy another book. If the theory corresponds to the facts, radiation conveys inertia between the emitting and absorbing bodies. In fact if your looking for any kind of explanation of what e mc2 means you will be disappointed. Emc a biography of the worlds most famous equation by. Einstein was neither the first person to consider the equivalence of mass and energy, nor did he. The correctness of einstein s 1905 derivation of e mc 2 was criticized by max planck 1907, who argued that it is only valid to first approximation. Einstein concluded that the emission reduces the bodys mass by e c 2, and that the mass of a body is a measure of its energy content. This brief book follows the evolution of the equation emc2 from the germ of an idea that began in einsteins mind to the construction of the atomic bomb. Einstein s theory held that time and motion are relative.
There are lots of biographies of einstein, and i think the best may have just. The theory of special relativity explains how space and time. In this short book einstein explains, using the minimum of mathematical terms, the basic ideas and principles of the theory which has shaped the world we live in today. Albert einstein published his special theory of relativity in 1905 and in doing so demonstrated that mass and. This book is wonderful because by way of working through the famous mass energy equivalence it explains the profound wonder of einsteins spacetime.
E mc2, equation in einsteins theory of special relativity that expresses the. Later on in the book the equation is used to explain such things as the. Apart from his scientific work, rothman is the author of nine books. About this document this edition of einstein s does the inertia of a body depend upon its. In the equation, the increased relativistic mass m of a body times the speed of light squared. Learn his theories, find facts and quotes from the man with an iq of 160. Emc2 einsteins equation explained with worked examples. E mc2, equation in germanborn physicist albert einstein s theory of special relativity that expresses the fact that mass and energy are the same physical entity and can be changed into each other.
The purpose of these pages is to explain e mc 2 in a clear, concise and understandable way with easily followed worked examples, and with further pages examining the special theory of relativity in order to describe its background. A biography of the worlds most famous equation, published by walker and company. Einstein s equation e mc2 shows that energy and mass are interchangeable. Einstein s 1905 paper on the matterenergy relationship proposed the equation e mc2. This docudrama examines the history of scientific discovery that lead up to albert einsteins famous equation emc2 and its aftermath in the creation of nuclear energy.668 1310 711 1077 130 154 731 1448 1091 1370 1401 633 377 1286 931 1356 93 291 401 895 913 619 443 1124 1153 833 211 786 483 290 1182 767 856 438 561 252 464 296 911