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Nothing can amaze quite like an expertly-executed magic trick. Ideally, only the magician knows how truly simple the deception is. After watching Math and Magic, you will know that this trick and its many variants rely on a remarkable property of patterned sequences called Gilbreath's principle--named after an amateur magician who was also a mathematician. Magic is full of such wonders, as you discover in these 12 illuminating half-hour lessons presented...
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Look around you. Great masterpieces of engineering are everywhere. As soon as you get out of bed in the morning, you are putting centuries of scientific and mechanical ingenuity to use. So familiar are these structures, inventions, and services that they are all but invisible. Yet they are just as remarkable as great works such as the Parthenon, the Eiffel Tower, and the Panama Canal. Everyday Engineering: Understanding the Marvels of Daily Life is...
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Economic forces are everywhere around you. You're made aware of that whenever you reach for your wallet, apply for a loan, shop for health care, or try to figure out the best credit card to carry. But that doesn't mean you need to passively accept whatever outcome those forces might press upon you. Instead, you can learn how to use a small handful of basic nuts-and-bolts principles to turn those same forces to your own advantage. Making a few simple...
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In the brand-new, 2016, high-definition program, join young host Marisa, as she takes you on a fun-filled adventure through the alphabet with both familiar and exotic animals from A to Z! Each upper-case letter of the alphabet gets presented slowly, several times with large, easy-to-read graphics. Each letter then gets linked to a corresponding animal. A light-hearted sentence, accompanied by a comical illustration pertaining to each animal, follows....