# List of Greek inventions and discoveries

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This article is a list of major inventions and scientific and mathematical discoveries by Greek people from antiquity through the present day.

## Contents

[hide]## Inventions[edit]

This section needs expansion. You can help by adding to it. (January 2016) |

- Catapult - The historian Diodorus Siculus mentions the invention of a mechanical arrow-firing catapult (katapeltikon) by a Greek task force in 399 BC.* Campbell, Duncan (2003),
*Greek and Roman Artillery 399 BC – AD 363*, Oxford: Osprey, p. 3, ISBN 1-84176-634-8 - Electric car - The Enfield 8000, a fully functional electric car was developed and produced between 1973 and 1977 by the Greek Neorion company in Ermoupolis, on the island of Syros, with production later moving to the UK where it was produced by Enfield Automotive, both owned by the Greek millionaire Giannis Goulandris. The head developer was Constantine Adraktas.
^{[1]} - Pap smear - A test for cervical cancer developed by the Greek physician George Papanikolaou in 1923.
^{[2]}

## Discoveries[edit]

### Mathematics[edit]

This section needs expansion. You can help by adding to it. (January 2016) |

- Conic sections - First developed by Menaechmus in the 4th century BC, but the most significant contribution is by Apollonius of Perga in the 3rd century BC.
^{[3]} - Exhaustion, method of - Formalized by Eudoxus of Cnidus in the early 4th century BC, used by Archimedes to calculate the value of Pi and the area under a curve.
^{[4]} - Proof, mathematical - The mathematical proof was a product of Greek mathematics, evolving gradually to reach the method still used today in Euclid's
*Elements*around 300 BC.^{[5]} - Sieve of Eratosthenes - Developed by Eratosthenes in the 3rd century BC to calculate prime numbers.
^{[6]}

### Natural Sciences[edit]

This section needs expansion. You can help by adding to it. (January 2016) |

- Circumference of the Earth - The circumference of the Earth was first calculated by Eratosthenes of Cyrene in 240 BC, with an error of 2% to 15% (depending on the definition of a
*stadion*).^{[7]} - Heliocentrism - The notion that the Earth and planets revolves around the Sun was first proposed by Aristarchus of Samos in the 3rd century BC.
^{[8]} - Spherical Earth - The concept of a spherical Earth first appears in the writings of the Pythagoreans around the 6th century BC.
^{[9]}

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https://en.wikipedia.org/wiki/List_of_Greek_inventions_and_discoveries

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