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Brewer's: Spheres

The music or harmony of the spheres. Pythagoras, having ascertained that the pitch of notes depends on the rapidity of vibrations, and also that the planets move at different rates of…

Roman Numeral Challenge

Roman Numeral Challenge The Challenge: Convert Arabic numbers to Roman numerals or vice versa. Arabic to Roman Please choose your level of difficulty. Beginner-…

Flashcards

Practice your math facts with these flashcards. Find addition, subtraction, multiplication and division flashcards, from basic math facts to 3-digit problems. Addition Flashcards…

Zyuganov, Gennady Andreyevich

(Encyclopedia) Zyuganov, Gennady or Gennadi AndreyevichZyuganov, Gennady or Gennadi Andreyevichgĕnäˈdē əndrāˈyəvĭch zy&oomacr;gäˈnôf [key], 1944–, Russian politician, b. Mymrino. The son and…

Branches of Science

Science describes an area of knowledge, typically about something in the physical world, that can be explained in terms of scientific observation or the scientific method. The scientific method is a…