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  • Matter

    Matter

    • This piglix contains articles or sub-piglix about Matter

    • Phases of matter

    • This piglix contains articles or sub-piglix about Phases of matter


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    • Antimatter

    • This piglix contains articles or sub-piglix about Antimatter


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    • Atoms

    • This piglix contains articles or sub-piglix about Atoms


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    • Condensed matter

    • This piglix contains articles or sub-piglix about Condensed matter


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    • Exotic matter

    • This piglix contains articles or sub-piglix about Exotic matter


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    • Ions

    • This piglix contains articles or sub-piglix about Ions


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    • Mass

    • This piglix contains articles or sub-piglix about Mass


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    • Materials

    • This piglix contains articles or sub-piglix about Materials


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    • Molecules

    • This piglix contains articles or sub-piglix about Molecules


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    • Physical objects

    • This piglix contains articles or sub-piglix about Physical objects


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    • Soft matter

    • This piglix contains articles or sub-piglix about Soft matter


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    • Solids

    • This piglix contains articles or sub-piglix about Solids


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    • Subatomic particles

    • This piglix contains articles or sub-piglix about Subatomic particles


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    • Vacuum

    • This piglix contains articles or sub-piglix about Vacuum


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    • Matter

    • Matter

      In the classical physics observed in everyday life, matter is any substance that has mass and takes up space; this includes atoms and anything made up of these, but not other energy phenomena or waves such as light or sound. More generally, however, in (modern) physics, matter is not a fundamental concept because a uni ... Read »


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    • Colloid vibration current

    • Colloid vibration current is an electroacoustic phenomenon that arises when ultrasound propagates through a fluid that contains ions and either solid particles or emulsion droplets. The pressure gradient in an ultrasonic wave moves particles relative to the fluid. This motion disturbs the double layer that exists at t ... Read »


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    • Debris

    • Debris or débris (UK: /ˈdɛbriː/ or /ˈdeɪbriː/; US: /dᵻˈbriː/) is rubble, wreckage, ruins, litter and discarded garbage/refuse/trash, scattered remains of something destroyed, discarded, or as in geology, large rock fragments left by a melting glacier etc. Depending on context, debris can ... Read »


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    • Dispersion medium

    • Interface and colloid science is an interdisciplinary intersection of branches of chemistry, physics, nanoscience and other fields dealing with colloids, heterogeneous systems consisting of a mechanical mixture of particles between 1 nm and 1000 nm dispersed in a continuous medium. A colloidal solution is a heter ... Read »


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    • Double layer (surface science)

    • A double layer (DL, also called an electrical double layer, EDL) is a structure that appears on the surface of an object when it is exposed to a fluid. The object might be a solid particle, a gas bubble, a liquid droplet, or a porous body. The DL refers to two parallel layers of charge surrounding the object. The first ... Read »


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    • Dukhin number

    • The Dukhin number (Du) is a dimensionless quantity that characterizes the contribution of the surface conductivity to various electrokinetic and electroacoustic effects, as well as to electrical conductivity and permittivity of fluid heterogeneous systems. It was introduced by Lyklema in “Fundamentals of Interfac ... Read »


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    • Electroacoustic phenomena

    • Electroacoustic phenomena arise when ultrasound propagates through a fluid containing ions. The associated particle motion generates electric signals because ions have electric charge. This coupling between ultrasound and electric field is called electroacoustic phenomena. The fluid might be a simple Newtonian liquid, ... Read »


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    • Hardness

    • Hardness is a measure of how resistant solid matter is to various kinds of permanent shape change when a compressive force is applied. Some materials (e.g. metals) are harder than others (e.g. plastics). Macroscopic hardness is generally characterized by strong intermolecular bonds, but the behavior of solid materials ... Read »


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    • Interface (matter)

    • In the physical sciences, an interface is a surface forming a common boundary among two different phases of matter, such as an insoluble solid and a liquid, two immiscible liquids, a liquid and an insoluble gas or a liquid and vacuum. The importance of the interface depends on the type of system: the bigger the quotien ... Read »


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    • Ion vibration current

    • The ion vibration current (IVI) and the associated ion vibration potential is an electric signal that arises when an acoustic wave propagates through a homogeneous fluid. Historically, the IVI was the first known electroacoustic phenomenon. It was predicted by Peter Debye in 1933. He pointed out that the difference in ... Read »


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    • Material

    • Material is a broad term for a chemical substance or mixture of substances that constitute a thing. In the scientific sense, materials are any non-living matter, whether natural or man-made. They are given a classification based on the different properties defined as physical, chemical, geological, and in some cases, ... Read »


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    • Matter wave

    • All matter can exhibit wave-like behavior. For example, a beam of electrons can be diffracted just like a beam of light or a water wave. Matter waves are a central part of the theory of quantum mechanics, being an example of wave–particle duality. The concept that matter behaves like a wave is also referred to as ... Read »


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    • Moisture expansion

    • Moisture expansion is the tendency of matter to change in volume in response to a change in moisture content. The macroscopic effect is similar to that of thermal expansion but the microscopic causes are very different. Moisture expansion is caused by hygroscopy. ... Read »


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    • Molecule

    • A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge. However, in quantum physics, organic chemistry, and biochemistry, the term molecule is often used less strictly, also being applied to polyatomic io ... Read »


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    • Physical substance

    • Matter

      In the classical physics observed in everyday life, if something has mass and takes up space, it is said to be composed of matter; this includes atoms (and thus molecules) and anything made up of these, but not other energy phenomena or waves such as light or sound. More generally, however, in (modern) physics, matter ... Read »


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    • Streaming vibration current

    • The streaming vibration current (SVI) and the associated streaming vibration potential is an electric signal that arises when an acoustic wave propagates through a porous body in which the pores are filled with fluid. Streaming vibration current was experimentally observed in 1948 by M. Williams. A theoretical model w ... Read »


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    • Surface conductivity

    • Surface conductivity is an additional conductivity of an electrolyte in the vicinity of charged surfaces. Close to charged surfaces a layer of counter ions of opposite polarity exists which is attracted by the surface charges. This layer of higher ionic concentration is a part of the interfacial double layer. The conce ... Read »


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    • Zeta potential titration

    • Zeta potential titration is a titration of heterogeneous systems, for example colloids and emulsions. Solids in such systems have very high surface area. This type of titration is used to study the zeta potential of these surfaces under different conditions. The iso-electric point is one such property. The iso-ele ... Read »


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  • What Else?

    • Matter

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