Once scientists succeeded in identifying and organizing the 92 naturally occurring chemical elements, the challenge then became how to manipulate them into amazing new configurations—and how to tap their essentially limitless energy. A tale of str...
Until the 17th century, the building blocks of the natural world were a mystery. Of elements there were believed to be four—air, earth, fire, and water—and the science of chemistry had yet to be born. This program identifies some of the first ch...