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Council of the European Union

(Encyclopedia)Council of the European Union, institution of the European Union (EU) that has the final vote on legislation proposed by the European Commission and approved by the European Parliament; in some cases ...

Rulers of England and Great Britain (table)

(Encyclopedia)Rulers of England and Great Britain(including dates of reign) Saxons and Danes House of Normandy House of Blois House of Plantagenet House of Lancaster House of York House of Tudor Ho...

Minkowski, Hermann

(Encyclopedia)Minkowski, Hermann hĕrˈmän mĭnkôfˈskē [key], 1864–1909, Russian mathematician. He was educated in Germany and was professor at the Univ. of Königsberg (1894–96), the Federal Institute of T...

Mansel, Henry Longueville

(Encyclopedia)Mansel, Henry Longueville mănˈsəl [key], 1820–71, English philosopher and theologian. A disciple of Sir William Hamilton, he systematized his teacher's conception of the relativity of knowledge, ...

gas

(Encyclopedia)gas, in physics, one of the three commonly recognized states of matter, the other two being solid and liquid. A substance in the gaseous state has neither definite shape nor definite volume. Like liqu...

tachyon

(Encyclopedia)tachyon tăkˈēŏnˌ [key], hypothetical elementary particle that travels only at speeds exceeding that of light. According to the theory of relativity, the speed of light is the limiting velocity fo...

prisoner of war

(Encyclopedia)prisoner of war, in international law, person captured by a belligerent while fighting in the military. International law includes rules on the treatment of prisoners of war but extends protection onl...

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