A group of new materials are the metallic glasses (or amorphous metals). Write an essay about these materials in which you address the following issues:
(1) Compositions of some of the common metallic glasses,
(2) Characteristics of these materials that make them technologically attractive,
(3) Characteristics that limit their utilization,
(4) Current and potential uses, and
(5) At least one technique that is used to produce metallic glasses.