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Inertia is the natural tendency of objects in motion to stay in motion and objects at rest to stay at rest, unless a force causes the velocity to change. It is one of the fundamental principles in classical physics, and described by Isaac Newton in his first law of motion (also known as The Principle of Inertia). [1]
Tenacity is the customary measure of strength of a fiber or yarn. It is usually defined as the ultimate (breaking) force of the fiber (in gram -force units) divided by the denier . Because denier is a measure of the linear density, the tenacity works out to be not a measure of force per unit area, but rather a quasi-dimensionless measure ...
Strange matter: A type of quark matter that may exist inside some neutron stars close to the Tolman–Oppenheimer–Volkoff limit (approximately 2–3 solar masses). May be stable at lower energy states once formed. Quark matter: Hypothetical phases of matter whose degrees of freedom include quarks and gluons Color-glass condensate
Common examples of hard matter are ceramics, concrete, certain metals, and superhard materials, which can be contrasted with soft matter. Measures A Vickers hardness ...
In regular cold matter, quarks, fundamental particles of nuclear matter, are confined by the strong force into hadrons that consist of 2–4 quarks, such as protons and neutrons. Quark matter or quantum chromodynamical (QCD) matter is a group of phases where the strong force is overcome and quarks are deconfined and free to move.
Sectility is a form of tenacity and can be used to distinguish minerals of similar appearance. [2] Gold, for example, is sectile but pyrite ("fool's gold") is not.
St. Maximilian Maria Kolbe, patron saint of journalists, prisoners, and drug addicts, was a Polish priest who was murdered in Auschwitz after volunteering to die in the place of another.
Sectility can be used to distinguish minerals of similar appearance, and is a form of tenacity. [2] For example, gold is sectile but pyrite ("fool's gold") is not. Sectility in metals is a result of metallic bonding , where valence (bonding) electrons are delocalized and can flow freely between atoms, rather than being shared between specific ...