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Galileo Galilei
Galileo Galilei (1564-1642) was an Italian mathematician, physicist, astronomer, and natural philosopher. He created a superior telescope with which he made new observations of the night sky, notably that the surface of the Moon has mountains...

Definition
Babylon
Babylon is the most famous city from ancient Mesopotamia whose ruins lie in modern-day Iraq 59 miles (94 km) southwest of Baghdad. The name is derived from bav-il or bav-ilim, which in Akkadian meant "Gate of God" (or "Gate of the Gods"...

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Ancient Egyptian Science & Technology
The great temples and monuments of ancient Egypt continue to fascinate and amaze people in the modern day. The sheer size and scope of structures like the Great Pyramid at Giza or the Temple of Amun at Karnak or the Colossi of Memnon are...

Definition
Thales of Miletus
Thales of Miletus (l. c. 585 BCE) is regarded as the first Western philosopher and mathematician. He was born and lived in Miletus, a Greek colony in Ionia (modern Turkey) referenced as the birthplace of Greek Philosophy because of his high...

Definition
Isaac Newton
Isaac Newton (1642-1727) was an English mathematician and physicist widely regarded as the single most important figure in the Scientific Revolution for his three laws of motion and universal law of gravity. Newton's laws became a fundamental...

Definition
Roman Science
The Romans assimilated earlier Greek science for their own purposes, evaluating and then accepting or rejecting that which was most useful, much as they did in other fields such as warfare, art, and theatre. This assimilation of Greek thought...

Definition
Hanging Gardens of Babylon
The Hanging Gardens of Babylon were the fabled gardens which beautified the capital of the Neo-Babylonian Empire, built by its greatest king Nebuchadnezzar II (r. 605-562 BCE). One of the Seven Wonders of the Ancient World, they are the only...

Definition
Mesopotamian Art and Architecture
Ancient Mesopotamian art and architectural works are among the oldest in the world, dating back over 7,000 years. The works first appear in northern Mesopotamia prior to the Ubaid Period (c. 5000-4100 BCE) and then developed in the south...

Definition
Cyrus the Great
Cyrus II (d. 530 BCE), also known as Cyrus the Great, was the fourth king of Anshan and the first king of the Achaemenid Empire. Cyrus led several military campaigns against the most powerful kingdoms of the time, including Media, Lydia...

Definition
Nebuchadnezzar II
Nebuchadnezzar II (r. 605/604-562 BCE) was the greatest King of ancient Babylon during the period of the Neo-Babylonian Empire (626-539 BCE), succeeding its founder, his father, Nabopolassar (r. 626-605 BCE). He is best known from the biblical...