Acid Rains Scientific evidence has shown that atmospheric deposition of sulfur and nitrogen compounds can harm ecosystems. Title IV of the Clean Air Act Amendments of 1990 (CAAA or the Act) addresses the problem of such effects by mandating reductions in emissions of sulfur and nitrogen oxides, t...

TV in the 1950's Reflected/Created Culture How many hours per week do you spend watching television? The average American child or adolescent spends 22-28 hours per week watching TV, which is more than any other activity other than sleeping. Did you know that there are more television sets in...

Major Creditors to the History of RocketryTsiolkovsky - Konstantin Eduardovitch Tsiolkovsky was born in September, 1857 in the town of Izhevskoye, Spassk District, Ryazan Gubernia. On the merits of some of his early research and related writings, Tsiolkovsky was elected to the Society of Physi...