Category: Disambiguation Properties In physics, the proton (Greek proton = first) is a subatomic particle with an electric charge of one positive fundamental unit (1. ... A black hole concept drawing by NASA. Physics (from the Greek, φυσικός (physikos), natural, and φύσις (physis), nature) is the science of the natural world dealing with the fundamental constituents of the universe, the forces they exert on one another, and the results produced by these forces. ... A subatomic particle is a particle smaller than an atom: it may be elementary or composite. ... Electric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interactions. ... The coulomb (symbol: C) is the SI unit of electric charge. ... An electronvolt (symbol: eV) is the amount of energy gained by a single unbound electron when it falls through an electrostatic potential difference of one volt. ... To help compare different orders of magnitude we list here masses between 0. ... Properties The electron is a fundamental subatomic particle which carries a negative electric charge. ... Chemistry (derived from the Arabic word kimia, alchemy, where al is Arabic for the) is the science that deals with the properties of organic and inorganic substances and their interactions with other organic and inorganic substances. ... In common usage positive is sometimes used in affirmation, as a synonym for yes or to express certainty. Look up Positive on Wiktionary, the free dictionary In mathematics, a number is called positive if it is bigger than zero. ... Charge is a word with many different meanings. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... An on is an om or group of atoms with a net electric charge. ... Properties An atom (Greek άτομον from ά: non and τομον: divisible) is a submicroscopic structure found in all ordinary matter. ... Properties The electron is a fundamental subatomic particle which carries a negative electric charge. ... In physics, an orbit is the path that an object makes, around another object, whilst under the influence of a source of centripetal force, such as gravity. ... Nucleus can mean: The Nuclear Envelope The nucleus is enveloped by a pair of membranes enclosing a lumen that is continuous with that of the endoplasmic reticulum. ... The Proton rocket (formal designation: UR-500) is a Russian unmanned space vehicle design first launched in 1965 and still in use as of 2005. ... State motto (Russian): Пролетарии всех стран, соединяйтесь! (Transliterated: Proletarii vsekh stran, soedinyaytes!) (Translated: Workers of the world, unite!) Capital Moscow Official language None; Russian (de facto) Government Federation of Socialist republics/ Communist state Area  - Total  - % water Largest on the planet 22,402,200 km² ?% Population  - Total  - Density 3rd before collapse 293,047,571 (July... Space exploration is the physical exploration of outer-Earth objects and generally anything that involves the technologies, science, and politics regarding space endeavors. ... 1965 (MCMLXV) was a common year starting on Friday (link goes to calendar). ... Proton was a model of Soviet scientific artificial satellites. ... For other uses, please see Satellite (disambiguation) A satellite is an object that orbits another object (known as its primary). ... A Diver Propulsion Vehicle or a DPV is an item of diving equipment used by scuba divers to increase their range while underwater where their endurance is restricted due to limited availability of breathing gas and need to avoid decompression sickness. ... Frogman with a Russian IDA71 rebreather, riding a Protei 5, carrying an APS Russian underwater rifle The Protei-5 is a small Russian one-man diver-carrying vehicle intended for use by commando frogmen such as those in the Spetsnaz. ... The Proton logo Proton, short for Perusahaan Otomobil Nasional (Malay for National Automobile Enterprise), is a Malaysian car manufacturer initiated in 1983 by Prime Minister Mahathir Mohamad. ... A small variety of cars, the most popular kind of automobile. ... 1983 (MCMLXXXIII) is a common year starting on Saturday of the Gregorian calendar. ... The Prime Minister of Malaysia is the elected head of government of Malaysia. ... Mahathir bin Mohamad (born December 20, 1925 in Alor Star, Kedah) was the Prime Minister of Malaysia from July 16, 1981 to 2003. ... Lotus Cars is a British manufacturer of sports cars and racing cars based in East Anglia and formed as Lotus Engineering Ltd. ... Geology (from Greek γη- (ge-, the earth) and λογος (logos, word, reason)) is the science and study of the Earth, its composition, structure, physical properties, history, and the processes that shape it. ... A craton is an old and stable part of the continental crust that has survived the merging and splitting of continents and supercontinents for at least 500 million years. ... In geology, a crust is the outer layer of a planet, part of its lithosphere. ... Proton E-Purse is an electronic wallet introduced in Belgium by Banksys in 1995. ... A smart card, or integrated circuit(s) card (ICC), is defined as any integrated circuitry embedded into a flat, plastic body. ... For breathing apparatus used underwater, see scuba sets and rebreather and surface supplied diving. ... Siebe Gorman Ltd was a British company which developed diving equipment and breathing equipment and worked on commercial diving and underwater salvage projects. ... Inspiration Closed Circuit Diving Rebreather Description A rebreather is a type of breathing equipment that provides a breathing gas containing oxygen and recycles exhaled gas. ...