Earth, The ancients
Credit for the idea that the Earth is spherical is usually given to Pythagoras (flourished 6th century BC) and his school, who reasoned that, because the Moon and the Sun are spherical, the Earth is too. Notable among other Greek philosophers, Hipparchus (2nd century BC) and Aristotle (4th century BC) came to the same conclusion. Aristotle devoted a part of his book De caelo (On the
Clanny, William Reid
Educated at the University of Edinburgh (M.D.), Clanny served with the navy before becoming a private practitioner. In
Mahabharata
One of the two major Sanskrit epics of India, valued for its high literary merit and its religious inspiration. The Mahabharata consists of a mass of legendary and didactic material surrounding a central heroic narrative that tells of the struggle for supremacy between two groups of cousins, the Kauravas and the Pandavas. Together with the second major epic, the Ramaya
Computers And Information Systems, E-commerce.
E-commerce continued to grow with meteoric speed in 1999, powered by Internet retailers such as Amazon.com, which, under the leadership of its founder and CEO, Jeff Bezos (see Biographies), expanded beyond selling books on-line to offering toys, consumer electronics, videos, music, auctions, gifts, and electronic greeting cards and prepared to get into the on-line grocery business.
Paragenesis
The sequence in which the minerals are formed in an ore deposit. Variations in the pressure and temperature and in the chemical constituents of a hydrothermal solution will result in the precipitation of various minerals at different times within the same ore deposit. The general sequence of deposition is gangue minerals (silicates and carbonates) first; oxide
Hyder Ali
After studying the military tactics of the Frenchman Joseph-François Dupleix, Hyder induced his older brother, a brigade commander in the Mysore army, to obtain military equipment from the Bombay government
Computers, Interpreters
HLL coding was attempted right from the start of the stored-program era in the late 1940s. Shortcode, or short-order code, was the first such language actually implemented. Suggested by John Mauchly in 1949, it was implemented by William Schmitt for the BINAC computer in that year and for UNIVAC in 1950. Shortcode went through multiple steps: first it converted the alphabetic statements
