coondoggie writes: "NASA and Air Force said today they had successfully launched a 9ft rocket 1,300 feet into the sky powered by aluminum powder and water ice. Aluminum powder and water ice, or ALICE, has the potential to replace some liquid or solid propellants and is being developed by Purdue University and Pennsylvania State University to possibly replace liquid or solid rocket propellants. Aside from the environmental impact ALICE could be manufactured in distant places like the moon or Mars, instead of being transported to distant locations at high cost, researchers said.
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... though his invention worked superbly -- his theory was a crock of sewage
from beginning to end.
-- Vernor Vinge, "The Peace War"