Search results
- Voltage, also known as (electrical) potential difference, electric pressure, or electric tension is the difference in electric potential between two points...25 KB (2,909 words) - 07:12, 27 April 2024
- Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time,...90 KB (10,117 words) - 22:56, 2 June 2024
- The Big Bang is a physical theory that describes how the universe expanded from a primordial state of high density and temperature. It was first proposed...148 KB (15,926 words) - 01:49, 5 June 2024
- Unsolved problem in physics: What is dark matter? How was it generated? (more unsolved problems in physics) In astronomy, dark matter is a hypothetical...139 KB (15,090 words) - 16:16, 6 June 2024
- Temperature is a physical quantity that quantitatively expresses the attribute of hotness or coldness. Temperature is measured with a thermometer. It reflects...104 KB (12,970 words) - 19:38, 31 May 2024
- An electric current is a flow of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is defined as the net...47 KB (5,461 words) - 01:57, 28 May 2024
- In quantum mechanics, Schrödinger's cat is a thought experiment, sometimes described as a paradox, of quantum superposition. In the thought experiment...42 KB (4,823 words) - 05:51, 27 May 2024
- Brian Randolph Greene (born February 9, 1963) is an American physicist. Greene was a physics professor at Cornell University from 1990–1995, and has been...24 KB (2,254 words) - 21:34, 26 May 2024
- The viscosity of a fluid is a measure of its resistance to deformation at a given rate. For liquids, it corresponds to the informal concept of "thickness":...99 KB (11,380 words) - 00:52, 29 May 2024
- In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called...123 KB (15,352 words) - 18:50, 24 April 2024
- In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, which propagate through space and carry momentum and electromagnetic...79 KB (9,526 words) - 22:48, 2 June 2024
- Entropy is a scientific concept that is most commonly associated with a state of disorder, randomness, or uncertainty. The term and the concept are used...108 KB (13,924 words) - 12:52, 4 May 2024
- Plasma (from Ancient Greek πλάσμα (plásma) 'moldable substance') is one of four fundamental states of matter (the other three being solid, liquid, and...62 KB (6,403 words) - 11:37, 8 June 2024
- The Higgs boson, sometimes called the Higgs particle, is an elementary particle in the Standard Model of particle physics produced by the quantum excitation...240 KB (26,272 words) - 19:40, 4 June 2024
- Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. Visible light spans the visible spectrum...51 KB (6,331 words) - 03:11, 18 May 2024
- General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by...194 KB (22,670 words) - 08:24, 27 May 2024
- Werner Karl Heisenberg (pronounced [ˈvɛʁnɐ kaʁl ˈhaɪzn̩bɛʁk] ; 5 December 1901 – 1 February 1976) was a German theoretical physicist, one of the main pioneers...122 KB (13,559 words) - 15:59, 2 June 2024
- Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time. It is also occasionally...21 KB (2,288 words) - 15:55, 24 May 2024
- Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable...94 KB (9,760 words) - 02:29, 31 May 2024
- The Planck constant, or Planck's constant, denoted by h {\textstyle h} , is a fundamental physical constant of foundational importance in quantum mechanics:...77 KB (6,703 words) - 17:25, 3 June 2024