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- Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time,...88 KB (9,959 words) - 10:59, 8 July 2024
- 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) - 17:42, 17 July 2024
- A black hole is a region of spacetime where gravity is so strong that nothing, not even light and other electromagnetic waves, is capable of possessing...164 KB (18,498 words) - 15:17, 17 July 2024
- The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. It was first proposed...148 KB (15,924 words) - 18:28, 16 July 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) - 01:00, 16 June 2024
- The universe is all of space and time and their contents. It comprises all of existence, any fundamental interaction, physical process and physical constant...160 KB (16,776 words) - 23:19, 18 July 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 (15,088 words) - 19:19, 16 July 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) - 05:04, 6 July 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) - 09:11, 7 July 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 (13,951 words) - 13:54, 2 July 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 (6,398 words) - 23:43, 27 June 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) - 13:57, 15 June 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 (9,541 words) - 14:50, 17 July 2024
- In quantum mechanics, Schrödinger's cat is a thought experiment concerning quantum superposition. In the thought experiment, a hypothetical cat may be...42 KB (4,826 words) - 03:27, 27 June 2024
- Electrical resistivity (also called volume resistivity or specific electrical resistance) is a fundamental specific property of a material that measures...75 KB (7,945 words) - 13:48, 11 July 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
- The Higgs boson, sometimes called the Higgs particle, is an elementary particle in the Standard Model of particle physics produced by the quantum excitation...241 KB (26,393 words) - 22:50, 15 July 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 (2,290 words) - 11:44, 15 July 2024
- Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable...95 KB (9,766 words) - 23:55, 30 June 2024
- In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume. All everyday objects that can be...81 KB (9,593 words) - 10:47, 18 July 2024