Category: sports & outdoors > outdoor recreation > camping & hiking > tents
| Merchant: Walmart US Head deep into massive mines and see how this vital metal is adapted to its many uses. Celebrating ingenuity, invention and imagination brought to life on a grand scale, Modern Marvels (R) tells the fascinating stories of the doers, dreamers and sometime-schemers who created everyday items, technological breakthroughs and man-made wonders. It transports electricity, water, and heat. It brings music to our ears and beauty to our eyes. Modern Marvels (R) delves into copper-its impressive traits, long history, and how it's mined. This versatile metal's most famous attribute is its ability to conduct electricity-copper wires connect and energize the world. And it's revolutionizing the electronics industry by enabling ever-shrinking computer chips. It's also formed into plumbing pipes to convey water and is the metal of choice for beautiful roofs and sculptures. And, as a visit to a bell foundry reveals, it sounds good too - bronze, a copper alloy, has been used to make music for hundreds of years. It's just one of the myriad shapes and innumerable uses explored in this energizing hour. .