Alternative Sources
Shock diamonds are most commonly associated with jet and rocket propulsion, but they can form in other systems.
Read more about this topic: Shock Diamond
Famous quotes containing the words alternative and/or sources:
“If you have abandoned one faith, do not abandon all faith. There is always an alternative to the faith we lose. Or is it the same faith under another mask?”
—Graham Greene (1904–1991)
“The sources of poetry are in the spirit seeking completeness.”
—Muriel Rukeyser (1913–1980)