Parmenides of Elea was the most important and influential philosopher before Plato. Patricia Curd here reinterprets Parmenides' views and offers a new account of his relation to his predecessors and successors.
Check out these photos of a combination sundial-moondial dating to the 12th century that was discovered near Rostov, Russia. Archaeologists say the markings on the artifact correspond to positions of the sun and moon throughout the year.
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