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- The angstrom (/ˈæŋstrəm/; ANG-strəm) or ångström (/ˈɒŋstrəm/) is a metric unit of length equal to 10−10 m; that is, one ten-billionth (US) of a metre,...19 KB (2,036 words) - 19:00, 3 May 2024
- Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light. These...59 KB (6,582 words) - 03:52, 16 April 2024
- Ernst August Friedrich Ruska (German pronunciation: [ɛʁnst ˈʁʊskaː] ; 25 December 1906 – 27 May 1988) was a German physicist who won the Nobel Prize in...6 KB (489 words) - 07:01, 29 April 2024
- The density of air or atmospheric density, denoted
ρ , is the mass per unit volume of Earth's atmosphere. Air density, like air pressure, decreases with...17 KB (2,765 words) - 04:50, 28 February 2024 - The third law of thermodynamics states that the entropy of a closed system at thermodynamic equilibrium approaches a constant value when its temperature...23 KB (3,059 words) - 02:30, 2 May 2024
- In thermodynamics, the compressibility factor (Z), also known as the compression factor or the gas deviation factor, describes the deviation of a real...23 KB (2,802 words) - 23:21, 19 December 2023
- The CMB Cold Spot or WMAP Cold Spot is a region of the sky seen in microwaves that has been found to be unusually large and cold relative to the expected...23 KB (2,717 words) - 17:09, 25 April 2024
- The Axion Dark Matter Experiment (ADMX, also written as Axion Dark Matter eXperiment in the project's documentation) uses a resonant microwave cavity within...11 KB (1,389 words) - 06:57, 29 April 2024
- In nuclear engineering, the void coefficient (more properly called void coefficient of reactivity) is a number that can be used to estimate how much the...11 KB (1,643 words) - 10:03, 26 April 2024
- Brunauer–Emmett–Teller (BET) theory aims to explain the physical adsorption of gas molecules on a solid surface and serves as the basis for an important...24 KB (3,749 words) - 06:45, 27 October 2023
- In physics, the dissipation factor (DF) is a measure of loss-rate of energy of a mode of oscillation (mechanical, electrical, or electromechanical) in...5 KB (628 words) - 05:22, 23 February 2024
- The orbital angular momentum of light (OAM) is the component of angular momentum of a light beam that is dependent on the field spatial distribution, and...32 KB (3,818 words) - 23:42, 27 April 2024
- Social physics or sociophysics is a field of science which uses mathematical tools inspired by physics to understand the behavior of human crowds. In a...17 KB (1,995 words) - 06:03, 26 February 2024
- Molecule-based magnets (MBMs) or molecular magnets are a class of materials capable of displaying ferromagnetism and other more complex magnetic phenomena...15 KB (1,699 words) - 14:55, 7 March 2024
- The Bose–Hubbard model gives a description of the physics of interacting spinless bosons on a lattice. It is closely related to the Hubbard model that...27 KB (3,830 words) - 18:29, 27 April 2024
- The Dokshitzer–Gribov–Lipatov–Altarelli–Parisi (DGLAP) evolution equations are equations in QCD describing the variation of parton distribution functions...3 KB (268 words) - 05:46, 30 October 2022