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You're standing in front of an old card table in a driveway at a garage sale. On that table is a one-quart aluminum saucepan, a votive candle holder, pieces of

Use the Magic Lens to reveal the inner workings of the machines all around us

The HVDC Light[trademark] method of transmitting electric power. Introduces students to an important new way of carrying power to remote locations. Revised, ref

An eye-opening adventure deep inside the everyday materials that surround us, from concrete and steel to denim and chocolate, packed with surprising stories and