Search Results: Atomic nucleus

Democritus (l. c. 460 - c. 370 BCE) was a Greek philosopher and younger contemporary of Socrates, born in Abdera (though other sources cite Miletus) who, with his teacher Leucippus (l. 5th century BCE), was the first to propose an atomic...

Empedocles (l. c. 484-424 BCE) was a Greek philosopher and mystic whose work harmonized the philosophies of Parmenides (l. c. 485 BCE), Heraclitus (l. c. 500 BCE), and Pythagoras (l. c. 571 to c. 497 BCE) in presenting a unified vision of...

Melissus of Samos (l. c. 5th century BCE) was a Greek philosopher of the Eleatic School, considered the third great proponent of that philosophy's claim that reality is One, after Parmenides (l. c. 485 BCE) and Zeno of Elea (l. c. 465 BCE...

The Oxus is a river, today called Amu Darya in its western part and Wakhsh in its eastern parts, which flows for a length of 2400 km across modern Tajikistan, Afghanistan, Turkmenistan and Uzbekistan into Lake Aral. In Ancient times it crossed...

Rome began as a small city on the banks of the Tiber River in Italy. The Latin tribes (also known as the Latini or Latians) inhabited the region c. 1000 BCE but the founding of the city is dated to 753 BCE. The family was the center and foundation...

India is a country in South Asia whose name comes from the Indus River. The name 'Bharata' is used as a designation for the country in their constitution referencing the ancient mythological emperor, Bharata, whose story is told, in part...

Greece is a country in southeastern Europe, known in Greek as Hellas or Ellada, and consisting of a mainland and an archipelago of islands. Ancient Greece is the birthplace of Western philosophy (Socrates, Plato, and Aristotle), literature...

Athens, Greece, with its famous Acropolis, has come to symbolize the whole of the country in the popular imagination, and not without cause. It not only has its iconic ruins and the famous port of Piraeus but, thanks to ancient writers, its...

The Boeing B-17 Flying Fortress was a four-engined heavy bomber plane used by the air forces of the United States and Britain during the Second World War (1939-45). The B-17 had unusually heavy defensive armament, 13 machine guns in total...

Ancient Greek philosophy is a system of thought, first developed in the 6th century BCE, which was informed by a focus on the First Cause of observable phenomena. Prior to the development of this system by Thales of Miletus (l. c. 585 BCE...