The substantial US investment at stake in critical space station era technologies includes six broad categories: aerospace, transportation, health care, information, energy andthe environment. The breadth fo microgravity research addreses each area with current and futrue experimental programs extendign into the space station era. As an example, the 1995 United states Microgravity laboratory crystalized proteinds and infrared imaging ocmponents for health care screening nad the design of therapeutic treatments, formed chemical catalysts for the energy industry including petoleum refining, and conducted research into semicondutor substrtes.
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