Aluminum -

In 1884, a small 6-pound aluminum pyramid was placed atop the Washington Monument as a luxury ornament and lightning conductor. Construction

Today, it is the backbone of modern industry, from the foil in your kitchen to the fuselages of commercial jets. aluminum

Aluminum: The "Silver from Clay" That Built the Modern World In 1884, a small 6-pound aluminum pyramid was

Aluminum salts were used for thousands of years in medicines and dyes. aluminum