ctesibius
51Spring (device) — Helical or coil springs designed for tension Compression sp …
52Marinus of Neapolis — For the Italian saint, see Saint Marinus. Marinus (Greek: Μαρίνος ὁ Νεαπολίτης) was a Neoplatonist philosopher born in Flavia Neapolis (modern Nablus), Palestine in around 450 AD. He was probably a Samaritan, or possibly a Jew.[1][2] He came to… …
53List of ancient Greeks — This an alphabetical list of ancient Greeks. These include ethnic Greeks and Greek language speakers from Greece and the Mediterranean world up to about 200 AD. compactTOCRelated articles NOTOC A*Acacius of Caesarea bishop of Caesarea… …
54Nicomachus — For other people named Nicomachus, see Nicomachus (disambiguation). Nicomachus (Greek: Νικόμαχος; c. 60 – c. 120) was an important mathematician in the ancient world and is best known for his works Introduction to Arithmetic (Arithmetike… …
55Porphyry (philosopher) — For other uses, see Porphyry (disambiguation). Porphyry of Tyre Porphire Sophiste, in a French 16th c. engraving Full name Porphyry of Tyre Born ca. 234 AD Tyre Died ca …
56Abul Wafa (crater) — lunar crater data latitude=1.0 N or S=N longitude=116.6 E or W=E diameter=55 km depth=2.8 km colong=244 eponym=Abul WáfaAbul Wáfa is an impact crater located near the lunar equator on the far side of the Moon, named after the Persian… …
57Heron (crater) — lunar crater data latitude=0.7 N or S=N longitude=119.8 E or W=E diameter=24 km depth=0.6 km colong=241 eponym=Hero of AlexandriaHeron is a small lunar impact crater that lies on the far side of the Moon, less than 20 kilometers from the equator …
58Alarm clock — Clock radio redirects here. For the clocks synchronised by radio signals, see Radio clock. Traditional wind up (keywound), mechanical, spring driven alarm clock …
59Philo of Byzantium — (Greek: Φίλων ο Βυζάντιος, ca. 280 BCE ca. 220 BCE), also known as Philo Mechanicus, a Greek writer on mechanics, flourished during the latter half of the 2nd century B.C. He was probably younger than Ctesibius, though some place him a century… …
60Greek mathematics — An illustration of Euclid s proof of the Pythagorean Theorem. Greek mathematics, as that term is used in this article, is the mathematics written in Greek, developed from the 7th century BC to the 4th century AD around the Eastern shores of the… …
