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Ionia
Definition by Joshua J. Mark

Ionia

Ionia was a territory in western Anatolia (modern-day Turkey) populated by the Ionians (Greeks who spoke the Ionian dialect) in c. 1150 BCE. It is best known as the birthplace of Greek philosophy (at Miletus) and the site of the Ionian Revolt...
Homo Habilis
Definition by Emma Groeneveld

Homo Habilis

Homo habilis ("handy man") is an extinct species of human that lived in East and South Africa between 2.3 and 1.5 million years ago and plays an interesting role in the discussion surrounding the dawn of our genus of Homo, which is thought...
Tibetan Book of the Dead
Definition by Joshua J. Mark

Tibetan Book of the Dead

The Tibetan Book of the Dead is the English translation of the Tibetan texts known as bar-do thos-grol (Bardo Thodol) – “Liberation Through Hearing During the Intermediate State” – and serves as a guide for the soul of the deceased after...
Omar Khayyam
Definition by Joshua J. Mark

Omar Khayyam

Omar Khayyam (also given as Umar Khayyam, l. 1048-1131 CE) was a Persian polymath, astronomer, mathematician, and philosopher but is best known in the West as a poet, the author of The Rubaiyat of Omar Khayyam. His famous work has been embraced...
Anaximenes
Definition by Joshua J. Mark

Anaximenes

Anaximenes of Miletus (l. c. 546 BCE) was a younger contemporary of Anaximander and generally regarded as his student. Known as the Third Philosopher of the Milesian School after Thales (l. c. 585 BCE) and Anaximander (l. c. 610 - c. 546...
Frédéric Chopin
Definition by Mark Cartwright

Frédéric Chopin

Frédéric Chopin (1810-1849) was a Polish composer and virtuoso noted for his solo piano music. Chopin's work helped make the piano the most popular musical instrument of the 19th century. One of the great composers of Romantic music, Chopin's...
Tympanon
Definition by Nathalie Choubineh

Tympanon

The tympanon (tympanum in Latin) was the most popular frame-drum in ancient Greek music, producing a loud rumbling sound not far from the sound of the orchestral timpani drums today. This percussion instrument was played mainly by women on...
Scythian Art
Definition by Patrick Scott Smith, M. A.

Scythian Art

Scythian art is best known for its 'animal art.' Flourishing between the 7th and 3rd centuries BCE on the steppe of Central Asia, with echoes of Celtic influence, the Scythians were known for their works in gold. Moreover, with the recent...
Robert Hooke Microscope
Image by Science Museum, London

Robert Hooke Microscope

A microscope of the type invented by the English scientist Robert Hooke (1635-1703). Made between 1671 and 1700. The device on the left, designed by Hooke, is a scotoscope which helped better illuminate the specimen under view in the microscope...
Watt Steam Engine
Definition by Mark Cartwright

Watt Steam Engine

The steam engine developed by the Scotsman James Watt (1736-1819) from 1769 was much more efficient in terms of power and fuel consumption than earlier models, and it significantly increased the possible uses for this key invention of the...
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