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Astrolabe: First used around 300 BC by astronomers in Greece. Used to determine the altitude of objects in the sky. [12] [13] Aulos: Ancient Greek wind instrument. Automata theory: Automata theory is the study of abstract machines and automata, as well as the computational problems that can be solved using them.
The 1871 periodic table constructed by Dmitri Mendeleev. The periodic table is one of the most potent icons in science, lying at the core of chemistry and embodying the most fundamental principles of the field. The history of chemistry represents a time span from ancient history to the present. By 1000 BC, civilizations used technologies that ...
Diogenes' answer circulated as an aphorism in western Britain in the early Middle Ages, but it does not seem to have been understood or else had become completely divorced from the story. In the 9th-century dialogue De raris fabulis , "don't stand between me and the light" is the response of friend who is refusing a request for help because ...
Humorism, the humoral theory, or humoralism, is a system of medicine detailing a supposed makeup and workings of the human body, adopted by Ancient Greek and Roman physicians and philosophers . Humorism. , the. humoral theory. , or.
Atomism (from Greek ἄτομον, atomon, i.e. "uncuttable, indivisible") [1] [2] [3] is a natural philosophy proposing that the physical universe is composed of fundamental indivisible components known as atoms . References to the concept of atomism and its atoms appeared in both ancient Greek and ancient Indian philosophical traditions.
The Association of Greek Chemists (Greek: Ένωση Ελλήνων Χημικών, ΕΕΧ) is the chemical society of Greek chemists. The Association of Greek Chemists is a public legal entity that reports to the Ministry of Industry, Energy and Technology. Its headquarters are in Athens: 27 Kaniggos Street, 10682, Ethans, Greece.
Partial charge. In atomic physics, a partial charge (or net atomic charge) is a non- integer charge value when measured in elementary charge units. It is represented by the Greek lowercase delta (𝛿), namely 𝛿− or 𝛿+. Partial charges are created due to the asymmetric distribution of electrons in chemical bonds.
Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
According to Mahn, the Greek word χυμεία khumeia originally meant "cast together", "casting together", "weld", "alloy", etc. (cf. Gk. kheein (χέειν) "to pour"; khuma (χύμα), "that which is poured out, an ingot"). Assuming a Greek origin, chemistry is defined as follows:
The Frogs ( Greek: Βάτραχοι, translit. Bátrakhoi; Latin: Ranae, often abbreviated Ran. or Ra.) is a comedy written by the Ancient Greek playwright Aristophanes. It was performed at the Lenaia, one of the Festivals of Dionysus in Athens, in 405 BC and received first place.