(Encyclopedia) Verona, Congress of, 1822, at Verona, Italy, the last European conference held under the provisions of the Quadruple Alliance of 1814. The main problem discussed was the revolution in…
(Encyclopedia) Swiss Guards, Swiss mercenaries who fought in various European armies from the 15th cent. until the 19th cent. These mercenaries, who were not volunteers, were put at the disposal of…
Empowering the National GovernmentThe Supreme CourtMarshall CourtMarshall Steps InTaking ControlEmpowering the National Government Now that Marshall had clearly established the Court's power…
TURBINESFIND OUT MOREMany modern machines, from motorbikes to jet aircraft, are powered by engines. An engine is a machine that turns fuel into movement. The fuel is burned to generate heat…
Wrestling with Radicals
Algebra
Wrestling with Radicals Introducing the Radical Sign Simplifying Radical Expressions Unleashing Radical Powers Radical Operations Solving Radical Equations…
(Amendments I to X inclusive, popularly known as the Bill of Rights, were proposed and sent to the states by the first session of the First Congress. They were ratified Dec. 15, 1791.)Amendment I[…
Selected records. Source: National Aeronautic AssociationGreat Circle Distance Without LandingInternational: 2,213.04 mi; 3,561.55 km.Robert G. Ferry (U.S.) in Hughes YOH-6A helicopter powered by…
Energy is the power that we use for transportation, for heat and light in our homes and other places, and for the manufacture of all kinds of products. It has many other uses, too. The development…
Born: 1919Birthplace: New Haven, Conn. High-voltage, high-power semiconductor pin rectifier—Hall's invention boosted efficiency and reduced wasted power and destructive heat build-up in large-scale…
