Examlex
Why does a filtergram reveal details in higher layers of the solar atmosphere
Third Harmonic
A harmonic that is three times the frequency of the fundamental frequency, often causing distortion in power systems.
Revolutionary War
A war fought from 1775 to 1783, in which the Thirteen American Colonies won independence from British rule, becoming the United States of America.
Vietnam War
A prolonged conflict (1955-1975) between communist forces in North Vietnam and non-communist forces in South Vietnam, heavily involving the United States and leading to significant casualties and societal disruption.
Modern War
Warfare involving the large-scale use of advanced technology and tactics, significantly different from traditional or early forms of conflict.
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