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Einstein's work in theoretical physics had many practical applications, some of which affect your daily life. The best example is the laser. Although Einstein did not invent the laser, he did produce the theoretical work which made possible the invention of the laser, and of course, lasers are now very much part of the lives of almost everyone, since they play a crucial role in computer-based manufacturing processes, in DVD or CD devices, in laser eye surgery, in fiber optic cables, etc.

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12y ago

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