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Physics (from the Greek, φύσις (phúsis), "nature" and φυσικός (phusikós), "natural"), the most fundamental physical science, is concerned with the basic principles of the Universe. Consequently, physics deals empirically with the dynamics of matter in the cosmos.
Introduction
Discoveries in physics find applications throughout the other natural sciences as they regard the fundamental constituents of the natural world. Some of the phenomena studied in physics, such as the phenomenon of conservation of energy, are common to all material systems. These are often referred to as laws of physics. Others, such as superconductivity, stem from these laws, but are not laws themselves because they only appear in some systems. Physics is often said to be the "fundamental science" (chemistry is sometimes included), because each of the other weaker sciences (biology, chemistry, geology, material science, engineering, medicine etc.) deals with particular types of material systems that obey the laws of physics. For example, chemistry is the science of matter (such as atoms and molecules) and the chemical substances that they form in the bulk. The structure, reactivity, and properties of a chemical compound are determined by the properties of the underlying molecules, which can be described by areas of physics such as quantum mechanics (called in this case quantum chemistry), thermodynamics, and electromagnetism.
Physics is closely related to mathematics, which provides the logical framework in which physical laws can be precisely formulated and their predictions quantified. Physical definitions, models and theories are invariably expressed using mathematical relations. A key difference between physics and mathematics is that because physics is ultimately concerned with descriptions of the material world, it tests its theories by observations (called experiments), whereas mathematics is concerned with abstract logical patterns not limited by those observed in the real world (because the real world is limited in the number of dimensions and in many other ways it does not have to correspond to richer mathematical structures). The distinction, however, is not always clear-cut. There is a large area of research intermediate between physics and mathematics, known as mathematical physics.
More on [ Physics ]
Mastering Physics
charlieyan08 (Charlie Yan) Sat, 07 Nov 2009 00:57:50 -0000
Mastering Physics
I had a physics exam today. And I thought it'd be easy ¬¬
irenesfor (Irene Espejo) Sat, 07 Nov 2009 00:56:27 -0000
I had a physics exam today. And I thought it'd be easy ¬¬
Amanhã de manhã dps da prova ir pro #physics
mateusmorgado (mateusmorgado) Sat, 07 Nov 2009 00:53:53 -0000
Amanhã de manhã dps da prova ir pro #physics
physics exam #2! my messenger bag is parting at the seams, gotta invest in a new one =/
talextran (Alex Tran) Sat, 07 Nov 2009 00:53:24 -0000
physics exam #2! my messenger bag is parting at the seams, gotta invest in a new one =/
Thinking about "nuclear fear" (still) and found a high school kid's honors physics project. http://bit.ly/4FAXb2
sebroderick (Sarah Broderick) Sat, 07 Nov 2009 00:52:50 -0000
Thinking about "nuclear fear" (still) and found a high school kid's honors physics project. http://bit.ly/4FAXb2
killer but I'm a person, I don't have to take your shit. Think of it as a physics lesson, every action has an equal and opposite reaction.
denebola (Joe Momma) Sat, 07 Nov 2009 00:49:58 -0000
killer but I'm a person, I don't have to take your shit. Think of it as a physics lesson, every action has an equal and opposite reaction.
Doug Craigen's Huge Physics Humor Collection - May be the most linked-to physics humor site on the web because of its very large link collection.
Meta Description: [ A collection of my own humorous writings in Physics.
]
Physics and Science Fun - Fun with physics, science jokes, cartoons, anecdotes, and stories.
Meta Description: [ Fun with physics, science jokes, cartoons, anecdotes, stories ]
Angels on a Pin - The possibly true story of the many possible ways of determining the height of a building using only a barometer.
BBspot - Half-Life 2 Physics Engine Contains Grand Unified Theory - Physicists at Cornel-Putnam University (CPU) confirmed yesterday the Holy Grail of Physics, the Grand Unified Theory, is contained in the Half-Life 2 source code.
Meta Description: [ Ithaca, NY - Physicists at Cornel-Putnam University (CPU) confirmed yesterday the Holy Grail of Physics, the Grand Unified Theory, is contained in the Half-Life 2 source code. For decades Einstein attempted to weave together all aspects of physics into one grand unified theory, and although he fa... ]
BBspot - Overclocker Creates Rift in Space-Time Continuum - A rift in the space-time continuum was created when overclocker Jamie Aperman ran a 750 MHz Coppermine Pentium III at 1.6 GHz. It appears that the CPU was operating so fast that it began to execute instructions before they arrived.
Meta Description: [ BBspot - Santa Cruz, CA - A rift in the space-time continuum was created today when overclocker Jamie Aperman ran a 750 MHz Coppermine Pentium III at 1.6 GHz. ]
Buttered Cat - Stick a buttered piece of bread on the back of a cat, then throw the cat out a window. The result may surprise you.
Einstein, Heisenberg, Tipler - A story of interviews between these men and God, intended to determine if they should enter Heaven.
Meta Description: [ Einstein, Heisenberg, and Tipler ]
Evil Squirrels and Physicists - Squirrels are known to hate mankind. First they got the midgets, now they eat the physicists.
First Atomic Clock Wristwatch - A HP 5071A Cesium Beam Primary Frequency Reference can in fact be used as a wrist watch. You have a choice of stainless steel or adjustable nylon band.
404
Furniture Physics - For every sofa there is an equal and opposite footstool. Living room furniture vs. forces of physics.
Love and Tensor Algebra - A poem by Stanislaw Lem
Physics Limericks - Physics limericks from the contests sponsored by the American Physical Society!
Physics Song Book - New physics lyrics to classic tunes.
Meta Description: [ A physics song book. Part of the DCC Physics Humor Collection.
]
PhysicsSongs.org - Songs, and links to sites with more of them.
Politically Correct Physics - Revised physics course descriptions.
Profession Jokes - Physicists - A collection, including you might be a physicist if
Meta Description: [ Jokes about physicists and physics (part of the Profession Jokes site) ]
QuarkDance.org! - Lawrence Berkeley National Laboratory's Particle Data Group welcomes you to see its Quark Dance website which is a gateway to many exciting physics websites.
Meta Description: [ QuarkDance.org! - See adorable, cute, quarks shake their bottoms as they bounce around to some fun, mind-numbingly cool music. ]
SatireWire - Scientist Splits Atom, Finds Toy Prize Inside - A Princeton physicist recently split an atom of hydrogen and found a toy prize inside, the journal Science reported in its June issue. [Contains fictitious information.]
Meta Description: [ A Princeton physicist recently split an atom of hydrogen and found a toy prize inside, the journal Science reported in its June issue. ]
Sokal's Paper - A physicists attempt to prove his hypothesis that: a leading North American journal of cultural studies . . . would publish an article liberally salted with nonsense if (a)it sounded good and (b) it flattered the editors' ideological preconceptions
Super G-String Field Theory - A sequel to the original paper on g-string theory.
The Non Abelian Names of God - A scientific paper parody which includes The Theory Formerly Known as StringsThe Stages of a Theory and a dictionary of common phrases.
The Physics Crackpot Index - A fun site which outlines how you can tell if a new theory is really from a crackpot.
The Super G-String - A parody of modern string theories written in the form of a research paper.
Theological Thermodynamics - This document reproduces two classics of science parody/humor. The first applies the physics of thermodynamics to conclude that Heaven is hotter than Hell. The second is a response which combines Biblical evidence with thermodynamics to argue that, while heaven is devilishly hot, hell is hotter still.
Meta Description: [ Thermodynamic calculation that Heaven is
hotter than Hell, and a refutation of that argument. ]
UT-Chattanooga Collection of Physics Humor - Wide variety of physics jokes and humorous essays.
| Julius Sumner Miller - Physics - Bernoulli pt. 2 | |
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