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Australian physicist spots dictionary error

... SYDNEY (AFP) – An Australian physicist has uncovered an error in dictionary definitions that has likely stood uncorrected for a century. ... [full article] (86 views)
This bookmark is tagged as: siphon | dictionary error | physics | news | odd news
"good catch!" - cool b
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Subatomic particle

... In physics, subatomic particles are the particles composing nucleons and atoms. There are two types of subatomic particles: elementary particles, which are not made of other particles, and composite particles. Particle physics and nuclear physics study these particles and how they interact.[1] ... [full article] (53 views)
This bookmark is tagged as: Subatomic particle | physics
"wiki page" - mf
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... In physics, thermodynamics (from the Greek θερμ- ... [full article] (57 views)
This bookmark is tagged as: Thermodynamics | physics | laws of thermodynamics
"wiki page" - mf
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... Electromagnetism is the physics of the electromagnetic field, a field that exerts a force on particles with the property of electric charge and is reciprocally affected by the presence and motion of such particles. ... [full article] (66 views)
"wiki page" - mf
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... Physics (Greek: physis – φύσις meaning "nature") is a natural science; it is the study of matter[1] and its motion through spacetime and all that derives from these, such as energy and force.[2] More broadly, it is the general analysis of nature, conducted in order to understand how the world and universe behave. ... [full article] (98 views)
"good starting point to refresh your physics knowledge!" - mf
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Quantum mechanics

... Quantum mechanics (QM) is a set of principles describing physical reality at the atomic level of matter (molecules and atoms) and the subatomic (electrons, protons, and even smaller particles). These descriptions include the simultaneous wave-like and particle-like behavior of both matter[1] and radiation[2] ("wave–particle duality"). In the quantum mechanics of a subatomic particle, one can never specify its state, such as its simultaneous location and velocity, with ... [full article] (48 views)
This bookmark is tagged as: Quantum mechanics | QM | physics | Quantum mechanics applications
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... In physics, velocity is the rate of change of position. It is a vector physical quantity; both speed and direction are required to define it. In the SI (metric) system, it is measured in meters per second: (m/s) or ms-1. The scalar absolute value (magnitude) of velocity is speed. For example, "5 meters per second" is a scalar and not a vector, whereas "5 meters per second east" is a vector. The average velocity v of an object moving through a displacement (Äx) during a time interval (Ät) is described by the formula: ... [full article] (81 views)
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... Slope is used to describe the steepness, incline, gradient, or grade of a straight line. A higher slope value indicates a steeper incline. The slope is defined as the ratio of the "rise" divided by the "run" between two points on a line ... [full article] (62 views)
This bookmark is tagged as: Slope | Physics | Algebra | Geometry | Calculus
"Find definition of 'slope' and its geometrical meaning of 'slope'." - yamy
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Learn Physics Today

... Online physics tutorial ... [full article] (93 views)
This bookmark is tagged as: Physics | Tutorial | Physics Tutorial | Basic Skills | Mechanics | Lights and Waves | Electricity
"Found this easy to understand tutorial very useful. If you already have some trigonometry and graph knowledge it will be an added advantage." - yamy
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Black hole

... A black hole is a theoretical region of space in which the gravitational field is so powerful that nothing, not even electromagnetic radiation (e.g. visible light), can escape its pull after having fallen past its event horizon. The term derives from the fact that the absorption ... [full article] (72 views)
This bookmark is tagged as: Black Holes | Physics
"All you want to know about Black Holes in general!" - yamy
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