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    It is hard to overemphasize the importance of practical demonstrations for

    a true and deep understanding of physics. While it is of course veryimportant to understand the fundamental laws and relationships of physics

    in their theoretical aspects, perhaps nothing like a practical demonstration

    can bring them to life for a student of physics. Practical demonstrations of

    the laws of physics make clear to students the power of physics to

    systematize the seemingly random phenomena, and the power of our own

    mind to make sense of them.

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